Advance warning signals (AWS) provide information warning drivers in advance of the end-of-green interval for an approaching signalized intersection. The purpos

Advance warning signals (AWS) provide information warning drivers in advance of the end-of-green phase for an approaching signalized intersection. The purpose o

The objective of this study is to evaluate and report the long-term effectiveness of the AWS (Advance Warning System) installed in the state of Utah in June 200

Advance warning signals installed upstream of a high-speed signalized intersection (HSSI) warn motorists of impending signal changes in an effort to reduce the