Roundabouts
General
Legacy ID
21
Crossover Intersections
Some intersection designs direct some or all traffic to cross over to the left–hand side of the roadway to facilitate unopposed left–turn movements. These designs can improve safety and reduce congestion at the intersection.
The two most common crossover–based designs are the diverging...
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Reduced Left–Turn Conflict Intersections
Other Intersection Designs
Contacts
FHWA Office of Safety, Intersection Safety Program
- Jeff Shaw, jeffrey.shaw@dot.gov
FHWA Resource Center, Safety and Design Team, Intersection Safety
- Mark Doctor,...
Intersection Safety - In The News
Public Roads
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Intersection Safety Resources
Research Resources
The Federal Highway Administration (FHWA) Office of Safety Research and...
Road Safety Audits (RSA)
A Road Safety Audit (RSA) is the formal safety performance examination of an existing or future road or intersection by an independent, multidisciplinary team. It qualitatively estimates and reports on potential road safety issues and identifies opportunities for improvements in safety for all...