Abstract: The single‐point urban interchange (SPUI) is a relatively new type of diamond interchange. It is claimed to offer improved operational efficiency, improved safety, and reduced right‐of‐way requirements over other interchange ...

Abstract: The single‐point urban interchange (SPUI) is a relatively new type of diamond interchange. Its reported advantages are improved operational efficiency, improved safety, and reduced right‐of‐way requirements as compared to ...

Abstract: One factor that can reduce a lane's saturation flow to less than ideal conditions is when turning vehicles share the lane with through vehicles. The slow discharge rate of the turning vehicles reduces the lane's effective ...

Abstract: This paper describes an examination of the relationship between vehicular speed and side friction demand on horizontal curves. Models of speed and friction demand are described. The curve speed model explains the effect ...