Research Links

NCHRP Report 834: Crossing Solutions at Roundabouts and Channelized Turn Lanes for Pedestrians with Vision Disabilities: A Guidebook This report was produced through NCHRP Project 3-78b. It represents the knowledge base of roundabout and channelized turn lane accessibility to date, and provides design guidance to practitioners. Note that the crossing assessment methodology presented in Chapter 7 is being revised as part NCHRP Project 3-78c. An updated version will be posted on this website when available.

NCHRP Report 674: Crossing Solutions at Roundabouts and Channelized Turn Lanes for Pedestrians with Vision Disabilities This report was produced through NCHRP Project 3-78a and summaries much of the underlying research behind NCHRP Report 834

Oakland County, Michigan study of Pedestrian Hybrid Beacons and Rectangular Rapid Flash Beacons at Roundabouts

FHWA Roundabout Webpage

US Access Board

Draft Public Rights-of-Way Accessibility Guidelines (Draft PROWAG)