1. Draft AASHTO Guide for Geometric Design of Transit Facilities on Highways and Streets

2. Development of Guide
Developed through two Cooperative Research Program (NCHRP and TCRP) projects over the past several years.
Resulting research report was reviewed and edited by an ad-hoc working group consisting of reps from:
Technical Committee on Geometric Design
Subcommittee on Design
Standing Committee on Public Transportation

3. Basis of the Guide
Guidelines are based on a review of AASHTO, TRB, and ITE documents, as well as design reports provided by various transit agencies
Guide also incorporates findings from targeted investigations conducted to fill voids in the assembled information

4. Purpose
To provide a single, comprehensive reference of current practice in the geometric design and placement of transit facilities on streets and highways
A transit companion to the AASHTO “Green Book”
Targeted toward a wide range of stakeholders
policy makers
highway planners
engineers and designers
traffic engineers
transit service planners
site planners
land developers

5. Issues Covered Planning and decision-making guidelines
Bus design parameters and controls, including:
descriptions of vehicle types and characteristics
geometric design controls
highway and transit capacity considerations and guidelines
general transit infrastructure considerations
Bus transit facilities found in controlled-access highway settings (freeways) and along streets
Light rail and streetcar transit operations on streets and roadways
Appendices contain supporting information on:
detailed bus dimensions and turning paths
busways
off-line stations and facilities
pedestrian and bicycle access

6. Next Steps Currently out for ballot by: Due August 10, 2009
Subcommittee on Design
Subcommittee on Traffic Engineering
Standing Committee on Public Transportation
Due August 10, 2009
Review and address comments
Ballot Standing Committee on Highways