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Office of the Engineer-in-Chief (R&B), Errum Manzil, A.P., Hyderabad.
Circular Memo No.2/DCE (R)/ EE(RS&PMS)/ DEE1/ AEE1 Dated: 11.07.2005.
Sub:- R&B Dept. - Road Safety Interventions - Certain guide lines issued -
Recommendations of the committee on proposed road safety interventions - Regarding
Ref :- 1. G. O. Ms. No. 80 of T,R&B (R.I) Dept. dt.25-4-2005
2. T. O. Memo No. 2/ DCE(R)/ EE(RS&PMS)/ DEE I/ AEE I Dt:18-05-2005.
***
The Government vide reference 1st cited, have issued certain guide lines on road
safety along with certain road safety interventions to be taken up.
In this regard, a committee of 10 Senior Engineers, Traffic Experts, Professors
was constituted for finalization of detailed specifications, drawings, to be adopted for the
proposed road safety interventions. The Committee has met in series of meetings and
submitted very valuable recommendations.
In this regard the following guidelines have been issued based on Committee’s
recommendations. All the Superintending Engineers are requested to adopt the
guidelines in taking up of Road Safety Interventions mentioned vide reference 1st cited.
1.Cement Concrete dividers:
Central road dividers of cement concrete (CC M15 grade) are to be provided on
roads to avoid head on collusion.
• The central median/divider shall be provided in stretches where clear carriageway of
14m & above is available. And in urban limits, dividers shall be provided where clear
carriageway available is 11m & above.
• The height recommended is 0.40m in stead of 0.75m for urban roads (with bottom
width of 0.45m & top width of 0.25m) and for rural roads the height recommended is
0.30m (with bottom width of 0.33m & top width of 0.23m), as shown in the drawings
attached.
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• In urban limits, all the roads must be widened to 14M and put dividers on priority to
avoid head on collusion accidents.
• Uninterrupted CC Median/Divider of not less than 750M shall be laid to avoid too
many openings so that traffic is properly regulated. Only under exceptional cases, the
length may be reduced as per site conditions.
• For islands, central divider shall be half of the section recommended above.
• The specifications and detailed drawings are enclosed in Annexure-I.
2. Hazard markers and delineators:
The Hazard markers and delineators are to be provided on roads to avoid
crashing of objects close to the road.
• Hazard markers shall be provided near narrow culverts, bridges, places where
carriageway is restricted due to lack of sufficient land width for ROW (Right of way),
tips of island at road junctions, median gaps, islands etc.,
• LDS ( Linear delineator system ) over bridge railing, delineator at horizontal curves
with radii less than 250m as per IRC 35-1970 (Code of practice for road markings) ,
IRC 79-1981 & MOST Spec.No.805. In Ghat roads with Linear Delineation System
shall be provided.
• Guard stones with florescent painting shall be provided @ 3m interval in all high
embankment ( where embankment height is greater than 3m).
• Guard rails to be provided near bridges where the bridge width is less than the
formation width.
• The specifications and drawings of hazard markers and delineators are enclosed in
Annexure-II.
3. Speed breakers:
Only rumble strips shall be provided for controlling speed and to promote orderly
traffic movement with improved safety.
• To be provided at junctions (on lower category roads/ roads with less traffic),
3
unmanned Railway Level Crossings, toll gates, black spots (where repeated accidents
takes place)and congested areas like shandy/ market / residential places etc.
• Rumble strips is the placement of intermittent raised bituminous overlays across
roadway. Raised sections shall be 25mm high, 300 mm wide, and placed about one
metre centre to centre. A series of such strips 7 nos. are to be provided at one
location. Rumble strip markings shall be painted with ISI brand enamel paint regularly
in the form of a pattern as per drawing enclosed. These markings shall be
supplemented with the cautionary sign (CS).
• The specifications and detailed drawing is enclosed in Annexure-III.
4. Studs (Raised Pavement Markers) :
Studs shall be provided to demarcate the lanes for appropriate movement of vehicles.
Studs with shanks should be provided at following locations @ 7.5 m interval.
• In horizontal curves ( radius less than 250 m)in rural areas along centre line, along
center line on bridges having a L.W.W. (linear waterway) of more than 30m and shall
be continued upto 30 m of approaches on either side of the bridge.
• Along centre line in urban areas and accident prone areas where road width is 7 m
or more.
• Studs should be provided at the major junctions i.e., rural / urban areas on top of
kerbs near traffic Islands in one row.
The specifications for studs will be finalised later by the committee and
communicated in due course.
Specifications and drawings enclosed as Annexure-IV.
5. Center line marking with Thermoplastic material:
Centre line marking is provided to demarcate the lanes to regulate traffic and prevent
head on collisions.
• Center line marking shall be adopted on roads having 6.7m wide carriageway and
above. The size shall be with 3.0m strip & 4.50m gap and width 10 cm and thickness
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2.5mm of thermoplastic reflective paint of BIS standards (Specifications and drawing
enclosed as Annexure-V
• Continuous centerline margins on curves, bridges and approaches with thermoplastic
reflective paint should be done.
• The edge line markings of 10cm.width shall be provided continuously wherever paved
shoulders are existing in case of 10m carriageway and above.
• On curves outer edge line markings shall be provided with white colour for roads
having a traffic intensity of more than 5000 PCUs and radius up to 250m.
• Chevron markings shall be painted on hazardous locations near tips of divider as per
drawing enclosed - Annexure VI.
Junctions and intersections shall also be marked as per IRC standards & as per
IRC 35-1997 and IS 164 - 1981 (1st revision reaffirmed in 1986) & MOST Specn.No. 803.
6. Zebra markings and pedestrian crossings with Thermoplastic material:
• Zebra markings near speed breakers and pedestrian crossings shall be provided for
cautioning drivers and safe passage of the pedestrians.
• The Zebra crossings are to be painted as per IRC specifications with thermoplastic
material near school zones, intersections, pedestrian crossings, etc.
• Specifications and Drawings enclosed as Annexure - VII.
7. Carrigeway of bridges and sidewalks and footpaths:
• All two lane bridges on MDRs and SHs, new as well as those bridges proposed for
reconstruction having a linear waterway upto 60m shall have minimum 12m
carriageway width clear lane marking for shoulders on both sides for slow moving
traffic and pedestrians with continuous centerline marking.
• The approaches to the above bridges on either side shall have minimum formation
width of 12m and carriageway width of 7m.
• All bridges, either inside the habitation or within 0.5 km of village / town should have
footpath / sidewalks of minimum clear width of 1.5m. Ducts shall be provided below
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the footpaths.
• On all roads in Municipal limits, side walls / foot path with minimum 1.5 m clear width
should be provided
• Where ever CC / Masonry drains are existing, RCC foot paths should be constructed
over drain.
• Instead of handrails, solid concrete New Jersey crash barriers for all bridges shall be
provided for better safety.
8. Retroreflective sign Boards /Caution / Warning / Informatory boards):
Retro-reflective Sign boards are to be provided using Type III high intensity grade
sheeting shall be used for the following.
The above roads shall be provided with 4 MM thick Fiber glass Reinforce Plastic
(FRP) board with 75 x 75 x 6 mm thick MS angle post.
The lettering/marking should be screen printed on cautionary signs as per IRC -
67, MOST Specn.Nos.801.1.1 & 801.2.5
These retro-reflective signboards shall be erected at the following locations :
(a) Cautionary/ Warning signs : These signs are used to caution the road users of
the existence of certain hazardous conditions either on or adjacent to the road
way.
These boards are to be kept at following:
• at all curves upto 250 m radius,
• School zones, pedestrian crossings, junctions, ghat road starting point.
• Speed breakers, gap in median, unmanned railway level crossings, dangerous
dips, diversion roads, narrow bridges etc. wherever required.
• Submersible causeways, road dams.
(b) Mandatory / Regulatory signs: These signs are used to inform road users of
certain rules and regulations to improve safety and free flow of traffic, such as
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• indicating speed limits
• no over takings,
• one way, no parking etc.
• axle load limit
(c) Informatory Signs: These signs are used to provide information and to guide
road users along roads. The Informatory signs are to be provided
• Entrance of village / Town / City junctions, Intersections
• Route direction indicators ( the board shall be with blue background and white
letters).
• Ghat Roads,
Specifications and Drawings enclosed as Annexure - VIII.
9. Junction / Village nameboards / pedestals:
• In addition to mild steel junction boards, brick masonry pedestals giving information to
be erected near bypass junctions / intersections.
10 (a). Rehabilitation of bridges , culverts & CD works:
• Slab when steel reinforcement is exposed and damaged parapets body wall of
abutment should be repaired.
• The field officers shall enclose the photographs along with proposals and estimates
for rehabilitation of bridges , culverts & CD works. They should take photographs after
attending the rehabilitation / repair work.
• The proposed centralized equipment like mobile bridge inspection unit , core cutting
machine, etc. necessary for inspecting the bridges for their rehabilitation will be made
available to the Executive Engineers and kept under the control of Roads Division,
Hyderabad. Each circle shall be allotted specific period to use bridge inspection
vehicle. The Executive Engineers (R&B) have to report the no. of inspections done
etc. for rehabilitation using the centralized equipment.
• The de-silting of canals / drains near R&B bridges shall be undertaken by the
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Irrigation authorities only by obtaining prior concurrence from concerned Executive
Engineers of R&B dept. While giving concurrence, the Executive Engineer (R&B) shall
see that the designed sill level is not disturbed. Government may be addressed to
issue the relevant G.O. in concurrence with Irrigation department for this purpose.
10 (b). Narrow culverts & Narrow Bridges:
• Wherever roads are developed into 2 lane and more, the culverts / CD works / slab
bridges should be widened on priority to reduce accidents.
11. Retaining walls / Parapet walls , rails:
• Ghat roads curved portions are shall be provided with Linear Delineation System.
• All Ghat sections and in other hazardous locations in suitable places, retaiing wall /
parapet / railing should be constructed.
12. Curve improvements:
• All curves shall be designed, constructed and maintained as per IRC guidelines
(curves for a speed of minimum 80km/hr to be designed). Wherever design speed is
restricted, sharp curve mandatory sign board and speed limit boards shall be
provided.
• Under curve improvements, extra widths shall be designed as per IRC guidelines.
Extra widths to be provided on hilly roads as per design requirements.
• On single lane roads curves shall have carriageway width of 5.5m. Total carriageway
should be paved.
• Studs shall be provided on centerline of all curves.
• Centerline marking shall be in yellow colour.
• No overtaking sign boards and desired speed limit boards shall be provided near all
curves.
• Minimum sight distance of 200m shall be ensured for visibility by land acquisition,
demolition, clearing site etc. if necessary.
• In plain terrain, the gradient shall be easened preferably to 1 in 33 wherever it is
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steeper than 1 in 20.
• In steep gradient locations, steep gradient board, no overtaking board, speed limit
board shall be erected.
13.Junction improvements:
• All intersections, junctions should have a minimum safe stopping sight distance of 130
m.
• All junctions in urban limits shall be illuminated by providing proper lighting after
obtaining undertaking for maintenance of lighting system.
14. Crash barriers:
• Crash barriers are provided to avoid vehicles fall into valley / rivers / streams in case
of crash.
• Crash barriers shall be provided on all high embankments ( where embankment
height is more than 3m ) of roads having traffic volume more than 5000 PCUs. For
other roads, Guard Posts shall be provided.
• Metal beam single ‘W’ crash barrier of size 311 x 83 mm flange width made with
structural steel corrugated plate 3mm thick and having a length of 4.5m over a
channel post of 150 x 75 x 5 mm with a spacer of channel section 150 x 75 x 5 mm,
300 mm long to be provided.
• Crash barriers may be provided irrespective of traffic PCUs at locations with proven
history of accidents.
• Guard rails to be provided near bridges on approaches.
15. Shoulders / berms and formation width:
• Minimum formation width shall not be less than 7.5m as per existing standards.
• In all single lane roads minimum shoulder width of 1m with granular base should be
provided.
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16. Low berms and scours:
• all low berms and rain water gullies in the formation width shall be immediately
attended and filled up from time to time.
Further, the Superintending Engineers are requested to attend the following:
1. In general,
All estimates except O. R. works shall have a sub-estimate enclosed covering
road safety interventions. Each and every S. R. estimate or other road estimates
including estimates prepared for special and plan projects shall include these items
invariably. No technical sanction shall be accorded without this sub-estimate on road
safety. If all items are already covered as per Annexure-I a NIL certificate should be
recorded along with estimate while according technical sanction. In other stretches where
works are not taken up, exclusive estimate to cover road safety interventions should be
prepared at sub-division level as on package and should be taken up on priority. If
technical sanction authority accords any technical sanction without the sub-estimate he /
she shall be held responsible for lapses.
2. Detailed survey in the District shall be conducted for accident prone areas and all
roads having more than 5000 PCUs in the first phase for identifying the above
mentioned Road Safety Interventions to be taken up before preparation of estimate.
3. The estimates for Road Safety Intervention items shall be submitted by the
Superintending Engineers to Chief Engineer, R&B, Roads.
4. Priority shall be given for important prioritized items of the Road Safety Interventions
since budget is a constraint. And also depending up on funds available, high traffic
road shall be given priority.
5. Road Safety Interventions may be categorized into 5 types i.e., (1) civil items,
(2)signages, (3) road markings, (4) studs and (5) Metal crash barriers. All
Superintending Engineers are requested to prepare estimates in each district as 4
packages for 4 categories. The category wise works are shown as following:
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4 CATEGORIES OF ROAD SAFETY INTERVENTIONS
Category – I (Civil works)
Category- II (Signages)
Category – III (Road Markings)
Category – IV (Raised pavement
marker) (Studs)
Category – V
( Metal Crash
barriers)
1. Cement Concrete Dividers
1. Hazard markers and delineators
1. Centerline markings
1. Raised pavement marker (Studs)
1.Metal crash barriers
2. Speed breakers 2. Warning / Caution boards
2. Zebra markings near speed breakers and pedestrian crossings, intersections
3. Side works / Footpaths
3. Junction/ Village name boards
4. Rehabilitation of bridges, slab culverts, CD works
5. Retaining walls / parapet walls, railings
6. Curve improvements
7. Junction improvements
8. Shoulders / Berms
9. Formation width
10. Low berms
11. Scours 12. Junction/Village
board pedestals
• On all signage boards the name of ‘Police’ in addition to ‘R&B’ should be written /
painted so that thefts are minimized.
• All above points should be read as minimum standards keeping road safety point of
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view. Other wise general IRC / MoRT&H standards should be mentioned for
construction of roads and bridges.
The Superintending Engineers are informed that the rates for non SSR items will be
circulated separately for estimate purpose. Meanwhile detailed estimates may be
prepared and kept ready.
All the Superintending Engineers(R&B) are requested to take up the detailed physical
survey of all the roads in district in respect of the above road safety interventions and
detailed estimates should be submitted urgently. Depending upon the financial constraint
Superintending Engineers(R&B) are requested to prepare estimates in phased manner
taking top traffic corridors on priority. All 4 packages should be taken up simultaneously.
The survey format is enclosed as Annexure-IX for the purpose of assessing the
requirements and preparation of estimate.
Further, all Superintending Engineers (R&B) are requested
• To remove all unauthorized speed breakers on roads
• To identify Government land for construction of wayside rest houses and parking bays
to provide rest places for drivers. The Government is interested to take up the parking
bays / Rest houses for drivers on BMOT ( Build Maintain Operate and Transfer)
• To provide suitable signage’s with Telephone nos. of nearest police stations and
nearest hospitals / trauma centres on all roads.
• As Convener Superintending Engineers may initiate to discuss all points came up in
video conference held on 20.06.2005 ( Minutes enclosed).
• Administrative sanction shall be obtained from Chief Engineer / Government for all the
works pertaining to road safety. No road safety work shall be taken up in Ordinary
Repairs grant.
Encl: 1) Annexure I to IX 2) Minutes of Video Conference held on 20.06.2005. 3) Copy of G.O.Ms.No. 80 dt.25-4-05
sd/ Engineer – in – Chief, R&B (Admn.&Nabard)
ANNEXURE – I
Specification for Central Road
Divider:
Construction of CC M15 grade
Central Road Divider as per
approved drawing and Technical
specifications including excavation of
existing B.T.Surface / any type of
surface to the required depth and
width as specified in the drawing
including cost of formwork, all T&P,
water charges, curing, etc., complete
for finished item of work, as directed
by Engineer-in-Charge and as per
MORT&H specification nos. 202,
1500, 1700, 2100 and 2200
Codes: MORT&H specification nos.
202, 1500, 1700, 2100 and 2200
Central Road Divider:
Painting two coats using 1st quality
synthetic enamel paint over one coat
of appropriate primer of approved
brand, colour, and shade over the
concrete surface as per the approved
pattern etc., complete for finished
item of work, as directed by
Engineer-in-Charge and MORT&H
specification no.803
Codes: MORT&H specification
no.803
AND PAINT WITH WHITECC M 15
GL
450
125
125
275
100250
CONCRETE CENTRAL ROAD DEVIDER IN URBAN AREAS
Note: All dimensions are in 'mm'
(WITH A LENGTH OF 1.25 MTS EACH BLOCK)
GL
GL
CC M 15 AND PAINT WITH WHITE
23050
200
100
125
330
CONCRETE CENTRAL ROAD DEVIDER FOR RURAL AREAS
Note: All dimensions are in 'mm'
GL
ANNEXURE – II (i)
Specification for Object Markers:
Supplying and installation of object
markers 5cm dia MS medium ISI pipe
class B painted with two coats of 1st
quality synthetic enamel painted with
white, over one coat of appropriate
primer of approved brand and shade,
kept at 80cm high above ground level
with triangular panels of size 30cm
fixed at top, 3nos.circular red
reflectors of 7.5cm dia fixed standard
supports, buried in a trench of size of
30cm x 30cm and 50cm depth filled
with CC 1:2:4 / fixed in the divider
concrete directly as directed by the
Engineer-in-Charge and conforming
to IRC 79-1981 & MORT&H
specification no.805 and approved
drawings etc., complete for finished
item of work.
Codes: IRC 79-1981 & MORT&H
specification no.805
300
400-50
0
GL
75 mm diaRed reflectors
Red boader
White background
300
400-500
NOTE: ALL DIMENSIONS ARE IN MM
GL GL
Red reflectors75 mm dia
White background
GL GL GL GL
400-500
300
Painted white Painted white
Red reflectors50 mm dia
White boareder
All red reflector
White background
Red boader
400-500
ANNEXURE – II
Specification for Roadway Indicator:
Supply and installation of Precast RCC M15 grade Roadway Indicators of size
10cm x 10cm, 90 cm high above ground level, painted with two coats of black
and white in 15cm wide stripes, with first quality synthetic enamel paint over
one coat of appropriate primer of approved brand, colour, and shade over the
concrete surface fitted with 80x100mm rectangular/or 75mm dia reflectorized
(front side white and back side red) panels at the top with standard supports and
buried into the ground in a trench of size 30cm x 30cm and 50cm depth filled
with CC 1:2:4, as directed by Engineer-in-charge and conforming to IRC 79-
1981 & MORTH specn.no.805 and approved drawings etc., complete for
finished item of work.
Codes: IRC 79-1981 & MORT&H
Specn.No.805.
DELINEATOR WITHRECTANGULAR REFLECTORCIRCULAR REFLECTOR
DELINEATOR WITHDELINEATOR WITHOUTREFLECTOR
150
150
150
150
800-1000
800-1000
150
150
150
150
800-1000
150
150
150
150
RECTANGULAR WHITEREFLECTOR120X80 MM7.5 cm DIA
REFLECTORWHITE ROUND
GLGLGLGLGLGL
HAJARD MARKERS & DELINIATORS
NOTE: ALL DIMENSIONS ARE IN MM
STRIPES 150 MM WIDEPAINTED BLACK & WHITE
ANNEXURE – II (iii)
Specification for Hazard Markers:
Supplying and installation of Hazard
Markers using M.S.angle of size 55X55X6mm and 120cm high above ground level
painted with two coats of black & white stripes of 15cm wide with first quality
synthetic enamel paint over one coat of appropriate primer of approved brand, colour,
with 30cm x 90cm striped reflectorized panels fixed at top over 4mm FRP sheet with
standard supports consisting of alternately (black and yellow) stripes sloping
downward at an angle of 45° towards the side of the obstruction on which the traffic is
to pass and buried into the ground in a trench of size 50cm x 50cm and 60cm depth
filled with CC 1:2:4 as directed by Engineer-in-Charge and conforming to IRC 79-
1981 & MORT&H specification no.805 and approved drawings etc., complete for
finished item of work
.Codes: IRC 79-1981 & MORT&H specification no.805
4 mm FRP
55X55X6 MM
RD 6RIGHTLEFTRD 5
45°
300
1200
100
300
900
200
600
RED REFLECTORS100-150 MM DIA
GL GLGLGLGLGL
Black stripes
Yellow stripes
Black stripes
Yellow stripes
of the road)both on left and right side
(Same design should be used
55X55X6 MM 55X55X6 MM
STOP LINE
10 m
30 TO 100M AS PER IRC: 39-1986
CAUTIONARY SIGN
AS PER IRC 67-1997
CENTRE LINE
START OF NO. PASSINGZONE 200 M FROM THE CROSSING
RESTRICTING OVERTAKING
BY TRAFFIC TOWARDS THE TRAFFIC
RUMBLE STRIPSAS PER IRC: 39-1986
GATE
STOP LINE
2 M FOR LIFTING BARRIERS OR
1 M PLUS WIDTH OF GATE FORSINGLE SWINGING TYPE GATE OR1 M PLUS HALF WIDTH OF GATE
FOR DOUBLE SWINGING TYPE GATE
NOTE: SIMILAR MARKING TO BE PROVIDED ON THE OTHER SIDE OF THE CROSSING
100 mm
ANNEXURE – III
Specification for Rumble Strips :
Construction of Rumble Strips with hot premixed bituminous material as per
approved drawing and technical specifications with raised section of 25mm high,
300mm wide, place about one metre centre to centre, with a series of 7nos strips at
one location, including marking strips in the specified location, clearing of all dust, loose
particles, applying tack coat, cost of form work, all T&P charges, compacting, rounding
the edges and finishing the surface to the required shape, etc. complete as directed by
Engineer-in-Charge, for finished item of work and as per IRC 39 – 1986 & 99
Codes : IRC 39 & 99
ANNEXURE - IV
Specification for Studs:
Providing and fixing raised pavement markers (reflective road studs)
made of Polycarbonate moulded body, HIPS (Hi-impact polystyrene), ABS &
ASA (Acrylic Strene Acrylonitrite) type etc. and reflective panels with
microprismatic lens capable of light entering the lens face and conforming to
ASTM D 4280 , ASTM D 788 , ASTM E 809 (CLI – coefficient of luminous
intensity), & BS 873 part 4 : 1973 and complying to guidelines issued by
MORTH circular no. RW/NH/33023/10-97- DO III dt.11-6-1997. The height,
width and length shall not exceed 20mm, 130mm and 105mm and with
minimum reflective area of 13 sqcm.on each side and the slope to the base
shall be 35° +/- 5°. Fixing will be without nails but by using twin polymer shanks
using bituminous adhesive on bituminous roads or without polymer shanks with
epoxy resin based adhesive on CC roads as per manufacturer’s
recommendation including site clearance etc. and complete as directed by the
Engineer in charge.
Standards: ASTM D 4280 , ASTM D 788 , ASTM E 809 (CLI – coefficient of
luminous intensity), & BS 873 part 4 : 1973
Circulars: MORTH circular no. RW/NH/33023/10-97- DO III dt.11-6-1997.
1300 MM
20MM
105 MM
Reflective Area
ANNEXURE – V
Specification for Centreline marking:
Providing centreline marking of 300cm length and 10cm width with a gap of 450cm
with thermoplastic paints conforming to IS : 164-1981 (1st revision reaffirmed in
1986) and clause 803 of MOST specifications for Road & Bridge works and also
conforming to IRC 35-1997.
Codes: IS : 164-1981 (1st revision reaffirmed in 1986)
MOST specification clause 803 IRC 35-1997
CENTRE LINE MARK ING
2-LANE ROAD
300
10 450
ALL D IMENS IONS ARE IN CM
s tuds w ith 7 .5 m e te r spacing
SPEC IF ICAT IONS FOR CENTRAL LINE MARK ING :
P rov id ing cen tre line m ark ing o f 300cm leng th and 10cm w idth w ith a gap o f 450cmw ith the rm op las tic pa in ts con form ing to IS :164 -1981 (1s t rev is ion reaffirmed in 1986)and c lause 803 of MOST spec ifica tions fo r R oad & B ride w orks and also conform ing to IRC 35-1997.C odes : IS :164-1998 (1s t rev is ion reaffirmed in 1986)
MOST spec ific a tion c lause 803 & IRC 35-1997.
W id th 10 cmTh ickness 2.5 mm
ANNEXURE – VI (i)
600
750
2100 to 5000
850
DETAILS OF DIAGONAL AND CHEVRON MARKING
850
45°
45°
150100
750
150
850 2100 TO 5000 850
30 m600
850
2100 to 5000850
600
750
150
150
100
30 M 45°
45°
30 m
Note: All dimensions are in mm
ANNEXURE – VI (ii)
45.0 m 60
.0 m
FLA
RING NOT MORE
THAN I IN
20
45.0 m
45.0 m
DOUBLE
CENTRE LINE
DIAGNOLS
MARKING ON TRANSITION FROM 2-LANE UNDIVIDED TO 4-LANE DIVIDED C
ARRIAGEWAY (NO SHIFT IN
CENTRE LINE)
Note: A
ll dim
ensions are in meters
ANNEXURE – VI (iii)
1 foot
Desirable 100 feet
Minimum 15 feet
DIVIDER
0.5 m
Min 2.5 m
0.5 m
Not more than 1.25 mNot less than 0.5 m,
Stop line
Footpath
Pedestrian Crossing at an Unsignlized Intersection
ANNEXURE - VII
Specification for Zebra Markings:
Providing Zebra pattern stripes marking for pedestrian crossing with equally
spaced white stripes 500 mm wide and 500 mm gap and length of 2 m to 4 m with
thermoplastic paints conforming to IS: 164-1981 (I st revision, reaffirmed in 1986)
and clause 803 of MOST specification for Road & Bridge works and also
conforming to IRC 103-1988 & IRC 35-1997.
Codes: IS: 164-1981 (I st revision, Reaffirmed in 1986) MOST specification Clause
803.
IRC 103-1988 & IRC 35-1997.
ANNEXURE – VIII
Specification for Cautionary/Warning
Signs:
Providing and fixing
Cautionary/Warning sign boards size 900
mm equilateral triangle made out of Retro
reflective sheeting of Type – III of ASTM
D4956-01 for full background of White
colour and letters/logos done by screen
printing in Black colour, boarders by screen
printing in Red colour as per IRC: 67-2001
and fixed over 4 mm thick FRP sheet and
painted back side with grey colour and fixed
over back support frame of MS angle
25x25x3 mm all round and mounted on a
MS angle post of size 75x75x6 mm with
clear height of not less than 2.1 m from the
ground level the bottom of the board. The
signpost should be painted with one coat of
red oxide paint and 2 coats of synthetic
enamel paint of every 30 cm with Black &
White colour. The signpost shall be firmly
fixed with MS base angle 35x35x4 mm in to
the ground by 1:2:4 Concrete foundation of
size 450x450x600 mm.
Standards:
Retro Reflective Sheeting: Type-III of ASTM
D4956 – 01.
Sign Design and fabrication: As per IRC:
67-2001.
Circulrs: Most No. RW/NH-33023/31/88-
DO-III dt: 4-11-1995.
600
35x35x4mm
GL
450
900 mm
White Retro Reflective Sheeting (Type - III)
Black sreen printing ink
Red sreen printing ink
GL
900 mm
900 mm
Front View
Rear view
35x35x4 mm MS Angle
25x25x3 mmMS Angle
MS angle75x75x6 mm
2100 m
m
Cautionary/Warnig Signs
MS base Angle
ANNEXURE – VIII
Specification for Mandatory/Regulatory
Signs:
Providing and fixing
Mandatory/Regulatory sign boards size
600MM/900 mm circle made out of Retro
reflective sheeting of Type – III of ASTM
D4956-01 for full background of White
colour and letters/logos done by screen
printing in in black colour, boarders by
screen printing in Red colour as per IRC:
67-2001 and fixed over 4 mm thick FRP
sheet and painted back side with grey
colour and fixed over back support frame of
MS angle 25x25x3 mm all round and
mounted on a MS angle post of size
75x75x6 mm with clear height of not less
than 2.1 m from the ground level the bottom
of the board. The signpost should be
painted with one coat of red oxide paint and
2 coats of synthetic enamel paint of every
30 cm with Black & White colour. The
signpost shall be firmly fixed with MS base
angle 35x35x4 mm in to the ground by 1:2:4
Concrete foundation of size 450x450x600
mm.
Standards:
Retro Reflective Sheeting: Type-III of ASTM
D4956 – 01.
Sign Design and fabrication: As per IRC:
67-2001.
GL
White Retro Reflective Sheeting (Type - III)
Black sreen printing ink
Red sreen printing ink
GL
Fron View
Rear view
35x35x4 mm MS Angle
25x25x3 mmMS Angle
MS angle75x75x6mm
2100 m
m
MANDATORY/REGULATORY SIGNS
900 mm
12 mm hole
600
35x35x4mm
GL
450
GL
MS base Angle
ANNEXURE – VIII
Specification for Facility Informatory
Signs:
Providing and fixing
Cautionary/Warning sign boards size
600X800 mm made out of Retro reflective
sheeting of Type – III of ASTM D4956-01
for full background of Blue/White colour with
screen printing of symbols in Black colour
as per IRC: 67-2001 and fixed over 4 mm
thick FRP sheet and painted back side with
grey colour and fixed over back support
frame of MS angle 25x25x3 mm all round
and mounted on a MS angle post of size
75x75x6 mm with clear height of not less
than 2.1 m from the ground level the bottom
of the board. The signpost should be
painted with one coat of red oxide paint and
2 coats of synthetic enamel paint of every
30 cm with Black & White colour. The
signpost shall be firmly fixed with MS base
angle 35x35x4 mm in to the ground by 1:2:4
Concrete foundation of size 450x450x600
mm.
Standards:
Retro Reflective Sheeting: Type-III of ASTM
D4956 – 01.
Sign Design and fabrication: As per IRC:
67-2001.
600
GL
Blue Retro Reflective Sheeting (Type - III)
Black sreen printing ink
GL
Fron View
Rear view
35x35x4 mm MS Angle
25x25x3 mmMS Angle
MS angle75x75x56mm
2100 m
m
FACILITY INFORMATORY SIGNS
12 mm hole
White Retro Reflective Sheeting (Type - III)
600
35x35x4mm
GL
450 mm
GL
Fron View
MS base Angle
ANNEXURE – IX
Proforma – 1
ASSESSMENT SURVEY FOR ROAD SAFETY INTERVENTIONS (RSI)
Abbreviations to be used
Cement Concrete Divider - CCD Mandatory Sings – MS (Type of sign)
Rumble Strips - RS Cautionary Signs – CS(Type of sign)
Studs - SD Informatory Signs-IS (Type of sign)
Marking - M(Specify type of marking)
Narrow Culvert - NC
STRIP
PLAN Km EXACT
CHAINAGE /
LOCATION
TYPE OF ROAD SAFETY
INTERVENTIONS
From To LEFT
SIDE
RIGHT
SIDE
ON ROAD /
ACROSS
ROAD
DETAILS OF
ROAD SAFETY
INTERVENTIONS
PROPOSED /
REMARKS
Note: The above survey should be conducted for every road, section wise.
AEE DEE EE
Example Sheet
ANNEXURE – IX
Proforma – 1
ASSESSMENT SURVEY FOR ROAD SAFETY INTERVENTIONS (RSI)
Abbreviations to be used
Cement Concrete Divider - CCD Mandatory Sings – MS (Type of sign)
Rumble Strips - RS Cautionary Signs – CS(Type of sign)
Studs - SD Informatory Signs-IS (Type of sign)
Marking - M(Specify type of marking)
Narrow Culvert - NC
STRIP
PLAN Km EXACT
CHAINAGE /
LOCATION
TYPE OF ROAD SAFETY
INTERVENTIONS
From To LEFT
SIDE
RIGHT
SIDE
ON
ROAD/
ACROSS
ROAD
DETAILS OF
ROAD SAFETY
INTERVENTIONS
PROPOSED /
REMARKS
Example:
6/0 to 7/0
6/355 (Outskirts of
Venkatapuram)
CS -- -- Left hand curve
Studs from 6/0 to 7/0
@ 7.5mt C/C DC-
MDR
6/843 -- CS -- Right hand cruve
6/900 to 6/990 CCD Divider in town
limits of Anakapally
6/995 NC Widening to be taken
up 2V of 1 mt.dia
7/0 to 8/0 7/280 MS -- -- Speed limits 40
Kmph
7/390 -- MS -- No over taking
Note: The above information filled in the format is just to understand the columns to be
filled.
AEE DEE
EE