Appendix I – Combined Presentation from
Steering Groups B and C
Sheffie
ld A
ir Q
uality
Modellin
g –
LEZ P
hase 1
Ste
ering G
roup M
eetings B
and C
Septe
mber
2012
Agenda
�Pro
ject
Scope a
nd M
eth
odolo
gy
�Pro
gre
ss
�Fle
et
Com
positio
n A
ssum
ptions
�Im
pact
of
Assum
ptions o
n M
odelled A
ir Q
uality
�Com
pari
son o
f M
odelled a
nd O
bserv
ed E
mis
sio
ns
�Analy
sis
of
Contr
ibuto
rs t
o E
mis
sio
ns
�PM
10 a
nd C
arb
on E
mis
sio
ns
Page
2LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Sum
mary
of Pro
ject
Scope a
nd M
eth
odolo
gy
�In
itia
l Analy
sis
of
Base E
mis
sio
ns (
usin
g 2
008 B
ase M
odel)
�Id
entification o
f Key P
roble
m A
reas
�Analy
sis
of
Main
Contr
ibuto
rs t
o E
mis
sio
ns
�D
ata
Collection t
o E
nhance E
mis
sio
ns C
alc
ula
tions
Page
3
�U
pdate
d E
mis
sio
ns C
alc
ula
tions a
nd F
ore
cast
for
2015
�Id
entification o
f Pote
ntial M
easure
s t
o R
educe E
mis
sio
ns
�Action P
lan f
or
Reducin
g E
mis
sio
ns
LEZ
Pha
se 1
Ste
erin
g G
roup
Mee
tings
B A
nd C
| S
epte
mbe
r 20
12
EN
EVAL (
EN
vironm
enta
l EVALuation T
ool)
�Consis
tent
with t
he T
RL’s
2009 R
oad T
raff
ic E
mis
sio
ns F
acto
rs
�U
ses d
eta
iled o
utp
uts
fro
m T
ransport
Models
, in
clu
din
g:
�tr
aff
ic s
peeds (
on a
lin
k-b
y-l
ink b
asis
)
�tr
aff
ic c
om
positio
n (
whic
h a
re t
hen f
urt
her
dis
aggre
gate
d b
y E
uro
Cla
ss)
�Em
issio
ns f
rom
tra
ffic
queuin
g a
t ju
nctions c
an b
e c
alc
ula
ted a
nd r
eport
ed
separa
tely
Page
4
�Can p
redic
t both
curr
ent
and f
ore
cast
em
issio
ns o
f N
OX,
PM
10,
tota
l hydro
carb
ons &
CO
2(e
)
�Part
icula
tes f
rom
tail-p
ipe e
mis
sio
ns a
nd ‘oth
er’ s
ourc
es (
eg b
rakes a
nd
tyre
s)
can b
e e
stim
ate
d s
epara
tely
�Fast
run t
imes c
om
pare
d t
o a
ltern
ative m
eth
ods
�Can e
asily h
andle
very
larg
e n
etw
ork
s
LEZ
Pha
se 1
Ste
erin
g G
roup
Mee
tings
B A
nd C
| S
epte
mbe
r 20
12
Pro
gre
ss t
o D
ate
�Base Y
ear
Model flow
s input
to E
NEVAL s
oft
ware
for
initia
l analy
sis
of
em
issio
ns
�U
K d
efa
ult f
leet
assum
ptions u
sed f
or
initia
l analy
sis
�Em
issio
ns a
nd O
bserv
ed A
ir Q
uality
com
pare
d t
o identify
key p
roble
m a
reas
�In
itia
l Analy
sis
of
Main
Contr
ibuto
rs t
o t
hese e
mis
sio
ns
�Collection o
f D
ata
on F
leet
Com
positio
n,
used t
o u
pdate
modellin
g o
f Base
Year
Em
issio
ns
�Futu
re y
ear
(2015)
model flow
s input
to E
NEVAL t
o a
naly
se f
ore
cast
futu
re
year
em
issio
ns
�Furt
her
analy
sis
of
Contr
ibuto
rs t
o e
mis
sio
ns w
ith t
he u
pdate
d m
odel in
puts
Page
5LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Fle
et
Com
positio
n A
ssum
ptions –
Buses
�SYPTE h
ave c
ollate
d d
ata
fro
m B
us O
pera
tors
for
2008 a
nd C
urr
ent
Fle
ets
�Lik
ely
fle
et
for
2015 e
stim
ate
d t
hro
ugh a
ssum
ed v
ehic
le
repla
cem
ent
str
ate
gie
s
�Splits
by E
uro
Cla
ss c
alc
ula
ted f
or
2008,
2012 a
nd 2
015
�Fin
al vers
ion d
istr
ibute
d t
o O
pera
tors
for
revie
w
�M
odel update
d t
o a
ccept
diffe
rent
fleet
com
positio
ns b
y o
pera
tor
�H
ybri
d r
oute
s m
odelled a
s a
separa
te o
pera
tor
Page
6LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Fle
et
Com
positio
n A
ssum
ptions –
Car/
Fre
ight
�Pro
vid
ed w
ith s
um
mari
sed A
NPR d
ata
for
2007,
inclu
din
g E
uro
splits
by v
ehic
le t
ype
�Sam
ple
of 2012 d
ata
receiv
ed.
Euro
cla
ss c
alc
ula
ted b
y M
VA for
2012 b
ased o
n d
ate
of
vehic
le r
egis
tration
�Euro
split
and P
etr
ol/
Die
sel split
estim
ate
d f
or
2008 a
nd 2
015,
based o
n 2
007 a
nd 2
012 s
am
ple
data
.based o
n 2
007 a
nd 2
012 s
am
ple
data
.
Page
7LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Pre
senta
tion o
f O
bserv
ed a
nd M
odelled A
ir Q
uality
Thro
ughout
this
Pre
senta
tion:
�O
bserv
ed D
ata
is R
ecord
ed A
ir Q
uality
inclu
din
g b
ackgro
und
em
issio
ns a
s w
ell a
s t
raff
ic r
ela
ted e
mis
sio
ns
�M
odelled D
ata
is T
ailpip
e E
mis
sio
ns o
f N
OX
�Backgro
und E
mis
sio
ns a
re n
ot
inclu
ded in M
odelled E
mis
sio
ns
�Backgro
und E
mis
sio
ns a
re n
ot
inclu
ded in M
odelled E
mis
sio
ns
�Colo
ur
codin
g o
f M
odelled E
mis
sio
ns is m
ere
ly t
o h
ighlight
the level
of em
issio
ns a
nd d
oes n
ot
necessari
ly r
ela
te t
o a
reas t
hat
will
exceed t
arg
ets
Page
8LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Observ
ed A
ir Q
uality
Page
9LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Unders
tandin
g t
he I
mpact
of Assum
ptions
Sum
mary
of
2008 a
ssum
ptions in follow
ing p
lots
:
1.
Defa
ult fle
et
com
positio
ns t
aken fro
m D
EFRA T
oolk
it for
Vehic
le
Em
issio
ns. Em
issio
ns F
acto
rs a
re t
aken f
rom
the D
fT w
ebsite (
TRL
Report
PPR353 –
Em
issio
ns F
acto
rs 2
009)
2.
As 1
, but
usin
g S
heff
ield
SYPTE b
us d
ata
3.
As 2
, w
ith u
sin
g e
stim
ate
d S
heff
ield
goods a
nd c
ar
splits
4.
As 3
, usin
g C
OPERT N
Ox
function inste
ad o
f TRL N
Ox
function.
LEZ
Pha
se 1
Ste
erin
g G
roup
Mee
tings
B A
nd C
| S
epte
mbe
r 20
12
1.
Pre
vio
us c
om
parison o
f O
bserv
ed A
ir Q
uality
and M
odelled
Em
issio
ns a
t 2008 (
sta
ndard
inputs
)
Page
11LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
2.
With S
heff
ield
bus fle
et
at
2008
Page
12LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
3.
With S
heff
ield
bus fle
et
and e
stim
ate
d S
heff
ield
car/
freig
ht
split
at
2008
Page
13LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
4.
With S
heff
ield
bus fle
et
and e
stim
ate
d S
heff
ield
car/
freig
ht
split
and C
OPERT N
Oxcalc
ula
tion a
t 2008
Page
14LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Impact
of assum
ptions
In
pu
ts%
Ch
an
ge in
NO
x
Sheff
ield
Bus
-7%
Change in t
ota
l N
Ox
com
pare
d w
ith n
ational assum
ptions f
or
plo
tted a
rea e
xclu
din
g t
he m
oto
rway
Sheff
ield
Bus
-7%
+ Sheff
ield
Fre
ight/
Car
3%
+ C
OPERT N
Ox
14%
Page
15LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
The C
ontr
ibuto
rs t
o E
mis
sio
ns a
t 2008
NO
xEm
issio
ns (
tonnes)
and P
roport
ions in S
heff
ield
by M
odel U
ser
Cla
ss (
exclu
din
g M
oto
rway)
Car
LG
V
OG
V
Bu
s
Nati
on
al
400
(33%
)101.8
(8
%)
337.2
(2
8%
)379.3
(3
2%
)
399.1
101.8
337.6
296.7
Page
16
Sh
eff
ield
Bu
s
399.1
(3
5%
)101.8
(9
%)
337.6
(3
0%
)296.7
(2
6%
)
+ S
heff
ield
Freig
ht/
Car
551.4
(4
3%
)53.9
(4
%)
360.3
(2
9%
)295.7
(2
4%
)
+ C
OP
ER
T N
Ox
652.8
(4
8%
)66.1
(5
%)
339.8
(2
5%
)298
(22%
)
LEZ
Pha
se 1
Ste
erin
g G
roup
Mee
tings
B A
nd C
| S
epte
mbe
r 20
12
Not
e th
at th
roug
hout
this
wor
k LG
V r
elat
es to
goo
ds v
ehic
les
less
than
3.5
to
nnes
, and
OG
V to
goo
ds v
ehic
les
over
3.5
tonn
es.
Impact
of assum
ptions a
t 2008
�U
se o
f lo
cal bus f
leet
splits
results in low
er
NO
Xem
issio
ns
�H
igher
sin
gle
deck p
roport
ions t
han n
ational avera
ge
�U
se o
f Sheff
ield
car
and f
reig
ht
splits
results in incre
ased N
Ox
em
issio
ns
�O
lder
Euro
com
positio
n t
han n
ational avera
ge
�U
se o
f th
e C
OPERT f
unction r
esults in incre
ased N
Oem
issio
ns.
�
Use o
f th
e C
OPERT f
unction r
esults in incre
ased N
Ox
em
issio
ns.
�TRL f
unction is k
now
n t
o u
ndere
stim
ate
NO
xem
issio
ns f
or
car,
part
icula
rly d
iesel engin
es.
�In
each c
ase t
he p
roport
ion o
f N
OX
em
issio
ns f
rom
car
incre
ases
Page
17LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
2015 F
ore
casts
�2015 F
ore
casts
fro
m B
RT N
ort
h w
ork
�Local Low
Gro
wth
fore
casts
�Tra
m-T
rain
and S
upert
ram
additio
nal vehic
les n
ot
inclu
ded
LEZ
Pha
se 1
Ste
erin
g G
roup
Mee
tings
B A
nd C
| S
epte
mbe
r 20
12
Analy
sis
of 2015 F
ore
casts
Thre
e s
ets
of
Assum
ptions u
sed f
or
altern
ative fore
casts
:
1.
Defa
ult
fleet
com
positio
ns
and
TRL
Em
issio
ns
Facto
rs
2.
As
1,
but
with
localSYPTE
bus
data
and
estim
ate
dSheff
ield
car
and
freig
ht
Euro
sta
ndard
splits
.U
se
of
CO
PERT
NO
xfu
nction
inste
ad
of
TRL
NO
xfu
nction.
3.
As
2,
with
2015
petr
ol/
die
sel
splits
for
car
and
freig
ht
based
on
observ
ed
Sheff
ield
data
.
Page
19LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
1.
2008 P
lot
with s
tandard
inputs
LEZ
Pha
se 1
Ste
erin
g G
roup
Mee
tings
B A
nd C
| S
epte
mbe
r 20
12
1.
2015 P
lot
with s
tandard
inputs
Page
21LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
2.
2008 p
lot
with S
heff
ield
bus fle
et
and e
stim
ate
d S
heff
ield
car/
freig
ht
split
and C
OPERT N
Oxcalc
ula
tion Page
22LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
2.
2015 P
lot
with S
heff
ield
bus fle
et
and e
stim
ate
d S
heff
ield
car/
freig
ht
split
and C
OPERT N
Oxcalc
ula
tion Page
23LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
3.
2015 P
lot
with S
heff
ield
bus fle
et
and e
stim
ate
d S
heff
ield
car/
freig
ht
split,
CO
PERT N
Oxcalc
ula
tion a
nd n
ew
Die
sel/
Petr
ol
split
Page
24LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Impact
of assum
ptions
Cha
nge
in to
tal N
Ox
at 2
015
com
pare
d w
ith 2
008
data
for
plot
ted
area
ex
clud
ing
the
mot
orw
ay
In
pu
ts%
Ch
an
ge
in N
Ox
Page
25
in N
Ox
National
-52%
Sheff
ield
Bus/F
reig
ht/
Car
& C
OPERT N
Ox
-38%
+ N
ew
Petr
ol/
Die
sel Split
-30%
LEZ
Pha
se 1
Ste
erin
g G
roup
Mee
tings
B A
nd C
| S
epte
mbe
r 20
12
The C
ontr
ibuto
rs t
o E
mis
sio
ns a
t 2015
NO
xEm
issio
ns (
tonnes)
and P
roport
ions in S
heff
ield
by M
odel U
ser
Cla
ss (
exclu
din
g M
oto
rway)
Car
LG
V
OG
V
Bu
s
Nati
on
al
189.5
(3
3%
)59.6
(1
0%
)141.7
(2
5%
)183.8
(3
2%
)
Page
26
Nati
on
al
(33%
)(1
0%
)(2
5%
)(3
2%
)
Sh
eff
ield
Bu
s/
Freig
ht/
Car
& C
OP
ER
T N
Ox
299.6
(3
5%
)60
(7%
)266.8
(3
2%
)218.1
(2
6%
)
+ N
ew
Die
sel/
Petr
ol
Sp
lit
398.4
(4
2%
)62.6
(7
%)
266.8
(2
8%
)217.4
(2
3%
)
LEZ
Pha
se 1
Ste
erin
g G
roup
Mee
tings
B A
nd C
| S
epte
mbe
r 20
12
The C
ontr
ibuto
rs t
o E
mis
sio
ns
In
pu
tsC
ar
LG
VO
GV
Bu
s
National
-51%
-39%
-57%
-51%
% C
hange f
rom
2008 t
o 2
015 in N
OxEm
issio
ns in S
heff
ield
by
Model U
ser
Cla
ss (
exclu
din
g M
oto
rway)
Sheff
ield
Bus/F
reig
ht/
Car
& C
OPERT N
Ox
-54%
-9%
-21%
-27%
+ N
ew
Die
sel/
Petr
ol Split
-39%
-5%
-21%
-27%
Page
27LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Conclu
sio
ns o
f Im
pact
of Assum
ptions
�Results h
ighlight
the im
port
ance o
f assum
ptions in fore
casting
em
issio
ns:
�Petr
ol/
Die
sel split
of
cars
is p
art
icula
rly im
port
ant
�Fore
cast
NO
Xem
issio
ns b
y v
ehic
le t
ype,
part
icula
rly f
or
die
sels
, has
sig
nific
ant
impact
�O
ther
stu
die
s h
ave h
ighlighte
d t
he im
pact
that
incre
asin
g d
iesel car
pro
port
ions h
ave o
n e
mis
sio
ns
pro
port
ions h
ave o
n e
mis
sio
ns
�O
ther
stu
die
s h
ave s
how
n t
hat
late
r Euro
sta
ndard
s h
ave n
ot
had
the e
xpecte
d im
pact
on N
OX
em
issio
ns,
part
icula
rly for
die
sel cars
Page
28LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Com
parison o
f M
odelled a
nd O
bserv
ed E
mis
sio
ns
�U
ses m
odel fo
recasts
with local fleet
com
positio
n a
ssum
ptions a
nd
use o
f CO
PERT N
Ox
calc
ula
tion
�2011 O
bserv
ed D
ata
als
o c
onsid
ere
d
�N
ote
that
LG
V M
odel Flo
ws a
re s
lightly low
er
than o
bserv
ed c
ounts
in
the M
odelled B
ase Y
ear.
H
ow
ever,
this
will not
impact
sig
nific
antly o
n t
he r
esults p
resente
d.
sig
nific
antly o
n t
he r
esults p
resente
d.
Page
29LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Observ
ed N
Ox
Air Q
uality
at
2008
Page
30LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Observ
ed N
Ox
Air Q
uality
at
2011
Page
31LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Com
parison o
f O
bserv
ed N
Ox
Air Q
uality
at
2008 a
nd M
odelled
NO
xEm
issio
ns a
t 2008
Page
32LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Com
parison o
f O
bserv
ed N
Ox
Air Q
uality
at
2011 a
nd M
odelled
NO
xEm
issio
ns a
t 2008
Page
33LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Com
parison o
f O
bserv
ed N
Ox
Air Q
uality
at
2011 a
nd M
odelled
NO
xEm
issio
ns a
t 2015
Page
34LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Analy
sis
of Contr
ibuto
rs t
o E
mis
sio
ns
�All fore
casts
use local fleet
com
positio
ns
�CO
PERT N
Ox F
unction u
sed in a
ll c
ases
�Analy
sis
of
em
issio
ns o
n k
ey lin
ks in p
roble
m a
reas
Page
35LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Wid
er
Are
a R
esults
NO
xEm
issio
ns (
tonnes)
in S
heff
ield
by M
odel U
ser
Cla
ss (e
xclu
din
g
moto
rway)
All
Car
LG
VO
GV
Bu
s
20
08
1356.6
0652.7
866.1
0339.7
7297.9
5
Page
36LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
20
15
945.2
4398.4
162.6
1266.8
2217.3
9
% C
han
ge
-30.3
%-3
9.0
%-5
.3%
-21.5
%-2
7.0
%
City C
entr
e R
esults A
llC
ar
LG
VO
GV
Bu
s
20
08
192.6
476.9
88.6
432.4
774.5
5
NO
xEm
issio
ns (
tonnes)
in C
ity C
entr
e A
rea b
y M
odel U
ser
Cla
ss
20
15
142.5
3
53.4
78.4
225.9
0
54.7
4
% C
han
ge
-26.0
%-3
0.5
%-2
.5%
-20.2
%-2
6.6
%
Page
37LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
City C
entr
e E
mis
sio
ns a
t 2008
Page
38LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
City C
entr
e E
mis
sio
ns a
t 2015
Page
39LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Pro
port
ions o
n K
ey L
inks –
City C
entr
e
Bus
OG
V
LGV
Car
Bus
OG
V
LGV
Car
Page
40
Wes
t Str
eet
(bet
wee
n R
egen
t St a
nd M
appi
n S
t)A61
(Appro
ach t
o I
nner
Rin
g R
oad)
LEZ
Pha
se 1
Ste
erin
g G
roup
Mee
tings
B A
nd C
| S
epte
mbe
r 20
12
2008
2015
2008
2015
Univ
ers
ity /
Bro
om
hill Corr
idor
Em
issio
ns a
t 2008
Page
41LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Univ
ers
ity /
Bro
om
hill Corr
idor
Em
issio
ns a
t 2015
Page
42LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Pro
port
ions o
n K
ey L
inks –
A57/B
room
hill
Wes
t Str
eet
Bus
OG
V
LGV
Car
Bus
OG
V
LGV
Car
Page
43
A61
Ful
woo
d R
oad
(bet
wee
n M
anch
este
r R
d an
d G
loss
op
Rd)
A57
(Whitham
Rd,
Bro
om
hill)
LEZ
Pha
se 1
Ste
erin
g G
roup
Mee
tings
B A
nd C
| S
epte
mbe
r 20
12
2008
2015
2008
2015
Abbeydale
Road /
London R
oad C
orr
idor
Em
issio
ns a
t 2008
Page
44LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Abbeydale
Road /
London R
oad C
orr
idor
Em
issio
ns a
t 2015
Page
45LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Pro
port
ions o
n K
ey L
inks –
Abbeydale
Road/L
ondon R
oad
Wes
t Str
eet
Bus
OG
V
LGV
Car
Bus
OG
V
LGV
Car
Page
46
A61
Abb
eyda
le R
oad
(South
of
Bro
adfield
Rd)
Cheste
rfie
ld R
oad
(South
of
Little L
ondon R
d)
LEZ
Pha
se 1
Ste
erin
g G
roup
Mee
tings
B A
nd C
| S
epte
mbe
r 20
12
2008
2015
2008
2015
Penis
tone R
oad C
orr
idor
Em
issio
ns a
t 2008 P
age
47LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Penis
tone R
oad C
orr
idor
Em
issio
ns a
t 2015 P
age
48LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Pro
port
ions o
n K
ey L
inks –
Penis
tone R
oad/H
ills
boro
ugh
Bus
OG
V
LGV
Car
Bus
OG
V
LGV
Car
Page
49
Pen
isto
ne R
oad
(Sou
th o
f Bam
fort
h S
t)Langsett
Road
(South
of
Bam
fort
h S
t)
LEZ
Pha
se 1
Ste
erin
g G
roup
Mee
tings
B A
nd C
| S
epte
mbe
r 20
12
2008
2015
2008
2015
Em
issio
ns C
lose t
o t
he M
1 C
orr
idor
at
2008 P
age
50LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Em
issio
ns C
lose t
o t
he M
1 C
orr
idor
at
2015 P
age
51LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Pro
port
ions o
n K
ey L
inks –
M1 C
orr
idor
Bus
OG
V
LGV
Car
Bus
OG
V
LGV
Car
Page
52
M1
Nor
thbo
und
(App
roac
h to
J34
)M
eadow
hall R
oad
(Appro
ach t
o M
1 J
34)
LEZ
Pha
se 1
Ste
erin
g G
roup
Mee
tings
B A
nd C
| S
epte
mbe
r 20
12
2008
2015
Car
2008
2015
Car
Conclu
sio
ns fro
m A
naly
sis
of Contr
ibuto
rs t
o E
mis
sio
ns
�The m
ain
contr
ibuto
rs t
o e
mis
sio
ns v
ary
by a
rea
�LG
V is n
ot
contr
ibuting s
ignific
ant
am
ounts
in a
ny a
rea,
so a
ny
policy a
imed a
t LG
Vs w
ill have little im
pact
�Buses c
ontr
ibuting s
ignific
ant
am
ounts
in t
he C
ity C
entr
e,
thro
ugh
Hills
boro
ugh a
nd o
n A
57/B
room
hill.
�H
GV c
ontr
ibuting s
ignific
ant
am
ounts
tow
ard
s t
he M
1 a
nd o
n
Penis
tone R
oad
�Car
contr
ibuting s
ignific
ant
am
ounts
in a
ll a
reas
Page
53LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
PM
10
and C
arb
on E
mis
sio
ns
�W
e c
urr
ently d
o n
ot
have a
ny o
bserv
ed d
ata
for
PM
10
or
Carb
on
�The p
lots
giv
e a
n indic
ation o
f w
hic
h a
reas h
ave h
igh levels
of
tail
pip
e e
mis
sio
ns.
The r
ange h
as n
ot
been c
alibra
ted a
gain
st
observ
ed
data
.
�The t
able
s s
how
the c
hange (
% a
nd a
bsolu
te)
betw
een 2
008 a
nd
2015 f
or
both
PM
and C
arb
on.
2015 f
or
both
PM
10
and C
arb
on.
Page
54LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
PM
10 E
mis
sio
ns a
t 2008
Page
55LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
PM
10 E
mis
sio
ns a
t 2015
Page
56LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Carb
on E
mis
sio
ns a
t 2008
Page
57LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Carb
on E
mis
sio
ns a
t 2015
Page
58LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Results for
oth
er
Em
issio
ns
PM
10
(to
nn
es)
Carb
on
(to
nn
es
fro
m C
O2)
2008
67.8
787,4
55.0
9
Oth
er
Em
issio
ns in t
he S
heff
ield
Are
a (
exclu
din
g m
oto
rway)
2008
67.8
787,4
55.0
9
2015
62.7
887,1
69.9
6
% C
hange
-7.5
%-0
.3%
Page
59LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012
Sheff
ield
Air Q
uality
Modellin
g
Sheffie
ld C
ity C
ouncil g
rate
fully a
cknow
ledge
the s
upport
pro
vid
ed b
y t
he D
epart
ment
for
Environm
ent
Food a
nd R
ura
l Affairs in a
dvancin
gEnvironm
ent
Food a
nd R
ura
l Affairs in a
dvancin
g
this
im
port
ant
pro
ject
Page
60LE
Z P
hase
1 S
teer
ing
Gro
up M
eetin
gs B
And
C |
Sep
tem
ber
2012