All-red clearance intervals for use in the left-turn application of flashing yellow arrows - Tainter F, Christofa E, Knodler MA.

In recent years, agencies across the United States have embraced the implementation of the flashing yellow arrow (FYA) for permissive left turns. Previous research determined that the FYA indication communicated the presence of permissive left turns more e...
Source: SafetyLit - Category: International Medicine & Public Health Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news