Aug 19, 2022 · U.S. DEPARTMENT OF TRANSPORTATION Federal Highway Administration 1200 NEW JERSEY AVENUE, SE WASHINGTON, DC 20590 202-366-4000

Key Words— Displaced left-turn intersection, DLT, diverging diamond interchange, DDI, restricted crossing U-turn intersection, RCUT, median U-turn intersection, MUT, alternative interchange, …

Aug 23, 2021 · These designs can improve safety and reduce congestion at the intersection. The two most common crossover–based designs are the diverging diamond interchange (DDI) and …

These data raise concerns about the use of freeway interchanges by aging drivers. Broader demographic and societal changes suggest that the dramatic growth in aging driver freeway …

Jul 26, 2024 · When designed with pedestrians and bicyclists explicitly in mind, all types of intersections can facilitate safe, accessible, convenient, and comfortable walking and bicycling.

The course took approximately 1 hour to complete, and included driving through 5 sets of improved and unimproved intersections. One set of intersections included roadways that met …

This spreadsheet tool was developed through FHWA's project Safety Comparison Between Interchange Types. This spreadsheet implements the crash prediction models for diamond, …

Safety Programs Intersection Safety Where roads intersect and paths cross, the resulting conflict points create...

Feb 6, 2025 · With approximately one–third of all intersection fatalities occurring at signalized intersections, it is important to assess and design these intersections with safety in mind.

Jul 25, 2024 · Numerous safety strategies are available for stop–controlled intersections, including low–cost countermeasures that can be installed systemically and higher–cost geometric …