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6-1 Lesson 6 | Practice RSA. Perform a practice-RSA of a design-stage or an in-service road. Analyze...

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6-1 Lesson 6 | Practice RSA
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6-1

Lesson 6 | Practice RSA

• Perform a practice-RSA of a design-stage or an in-service road.

• Analyze data acquired from site visit or design plans and from other sources to identify safety issues, and develop a set of suggestions to address them.

6-2

• Assemble an RSA presentation.

• Present the results of the practice RSA to a project owner.

• Discuss possible findings and recommendations with project owner.

6-3

• Arrange transportation.• Gather materials.• Gather equipment.• Take safety precautions (vest).• Wear comfortable clothing.• Designate a secretary and

photographer.

6-4(Site Visit Only)

• Drive all approaches.• Walk site.• Observe traffic.• Interview road users, enforcement,

etc.• Note positive safety features.• Document with photos.• Discuss observations.• Think about GORE.

6-5

• Observe and interview your road user (pedestrian, motorist, etc.) on site.

• Observe and note safety successes and issues for your road user.

6-6(Site Visit Only)

Focus on your team’s road user perspective.

• Review notes.• Assemble photos.• Analyze field data.• Agree on safety successes.• Identify safety issues, prioritize them,

and suggest mitigation.• Prepare findings presentation.

6-7(Site Visit Only)

Example

Chambers Rd / State Route 22 Intersection

Road Safety AuditTeam 3

May 23, 2008

(Sample Presentation: Location)

Example

Project DescriptionAnalyze the existing intersection of Chambers Rd and State Route 22 to identify potential safety improvements.

Assessment TeamScott Parker – Traffic EngineerJane Hearn – Maintenance EngineerBob Hammond – Maintenance EngineerMary Wood – Transportation EngineerTony Bobbitt – Deputy Sheriff / Traffic Enforcement

(Sample Presentation: Objective and RSA Team)

Project Description and Team Members

(Sample Presentation: Optional Aerial Photo or Drawing)

Example

ResourcesInformation about the intersection was provided by the Bibb County Sheriffs office.Site VisitsThe assessment team conducted two on site visits:

• May 23, 2008 from 10:00 – 11:00 pm during light traffic•Weather during the site visit was partly cloudy with dry pavement• Assumed this visit was representative of abnormal traffic since the college was not in session

(Sample Presentation: Information Sources and Visit Data)

Resources and Site Visits

Example •Intersection capacity appeared adquate

•Lane assignment signs clearly designated on Chambers Rd.

• Apparently well-lit intersection

• Free flow right turn lane for Chambers Rd.

• Left turn of west-bound SR22 was offset

(Sample Presentation: Safety Success)

Safety Successes

RISK CATEGORYA = Lowest priority

F = Highest priority

Negligible Low Med High

Frequent

Occasional

Rare

CrashFrequency

Crash Severity

Rating Risk to Prioritize Safety Issues

(Sample Presentation: Safety Issue and Suggestion)

(Sample Presentation: Safety Issue and Suggestion)

EXPECTED FREQUENCY EXPECTED SEVERITY RISK RATING

CFrequent Moderate Moderate

SUGGESTION: Place a dedicated signal head above the right turn lane for SR 22. Place “Chicken Tracks” separating the two left turn lanes from Chambers Dr onto West-bound SR22.

 

OBSERVATION: Conflicting movements of Chambers Dr to 1-475 North-bound with the West-bound movement from SR22 to I-475 North.

Example

(Sample Presentation: Safety Issue and Suggestion)

EXPECTED FREQUENCY EXPECTED SEVERITY RISK RATING

CFrequent Moderate Moderate

SUGGESTION: Refurbish lane markings and modify the northern most exit from “Circle K” to an exit only.

OBSERVATION: Poor delineation of Chambers South-bound receiving lane and are non-existent.

Example

(Sample Presentation: Safety Issue and Suggestion)

EXPECTED FREQUENCY EXPECTED SEVERITY RISK RATING

DFrequent Moderate Moderate

SUGGESTION: Reconfigure Chambers Rd to “Right In – Right Out” only operation. Provide ADA compliant pedestrian accommodations.

OBSERVATION: The total configuration and geometry of the two intersections are too close together. Pedestrian facilities at the corners are not well-delineated.

Example

Example

•Place dedicated signal head above right turn lane for west-bound SR-22.

•Place Chicken Tracks separating the two left turn lanes from Chambers to west-bound SR-22.

•Refurbish lane markings from east-bound SR-22 to south-bound Chambers Rd.

•Provide ADA compliant pedestrian accommodations for the entire intersection.

(Sample Presentation: Safety Issue and Suggestion)

Prospect Avenue / 18th Street Intersection

Helena, Montana

Road Safety Audit

April 30, 2014

(Sample Presentation: Location)

Project DescriptionAnalyze the existing intersection of Prospect Avenue and 18th Street to identify potential safety improvements.

Assessment Team:

(Sample Presentation: Objective and RSA Team)

Project Description and Team Members

Prospect Avenue and 18th Street

ResourcesInformation about the intersection was provided MDOT office.

Site VisitsThe assessment team conducted site visits on:

Resources and Site Visit

Safety Successes

RISK CATEGORYA = Lowest priority

F = Highest priority

Negligible Low Med High

Frequent

Occasional

Rare

CrashFrequency

Crash Severity

Rating Risk to Prioritize Safety Issues

(Sample Presentation: Safety Issue and Suggestion)

• Perform a practice-RSA of a design-stage or an in-service road.

• Analyze data acquired from site visit or design plans and from other sources to identify safety issues, and develop a set of suggestions to address them.

6-18

• Assemble an RSA presentation.

• Present the results of the practice RSA to a project owner.

• Discuss possible findings and recommendations with project owner.

6-19

• Explain the benefits of RSAs.

• Identify the resources available for RSAs.

6-20

• Describe the steps in the RSA process.

• Define independent, multi-disciplinary team.

• Perform a simple RSA, as a member of an RSA team.

• Identify time, cost, and liability issues of RSAs.

6-21

6-22


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