Roadway Cross Section Design Flexibility AASHTO SCOD Region 1 Meeting

Design engineers say we have to use this criteria Typical Section Traditional Freeway Cross Section AASHTO Based Pennsylvania DOT Design Manual Part 2 Design engineers say we have to use this criteria

Rural Principle Arterial 60 MPH Design Speed

Initial Cross Section 50 MPH Design Speed Urban Freeway

Modified Cross Section 50 MPH Design Speed Urban Freeway

Key Elements of the Parkway Concept S.R 202, Section 700 Key Elements of the Parkway Concept From Welsh Rd. to Horsham Rd. – four 11’ travel lanes (two each direction) and a 5’ paved shoulder on each side. Second travel lane between Horsham Rd. and SR 309 can be eliminated if ongoing traffic forecasts do not indicate the need.

Key Elements of the Parkway Concept S.R 202, Section 700 Key Elements of the Parkway Concept From Horsham Rd. to SR 611, the new roadway will have two 11’ travel lanes (one per direction), 5’ paved shoulders on each side, and no curbs.

Safety Corridor Project

Freeway Cross Section Flexibility Discussion of Other States’ Experiences in Design Flexibility Opportunities for Additional AASHTO Green Book Flexibility