Author Description

"TRB's Transportation Research Record: Journal of the Transportation Research Board, No. 2384 consists of 13 papers that explore the effectiveness of "vehicle entering when flashing" signs; countdown-only pedestrian change interval displays; driver perception and reaction time; dilemma zone identification; the behavior of left-turning drivers; and violations on frontage and conventional roads at interchanges. This issue of the TRR also examines LED luminaires for roadway applications; the impact of modern headlamp technology; background complexity of overhead guide signs; nighttime visibility of in-service pavement markings; replacement of roadway lighting with new lighting technologies; the severity of injuries to motor vehicle drivers at highway-rail grade crossings; and the prevention of crashes and gate-breaking incidents at highway-rail grade crossings."--pub. desc.