TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2096 includes 14 papers that explore roundabouts, truck lane restrictions, sleep apnea and driving performance, the effect of horizontal curvature on truck crashes, roadside tire debris, occupational road safety programs, and safety impacts of truck speed limiters. This TRR also examines the influence of driver safety programs on older drivers, traffic sign comprehension by an aging society, speed photo-radar enforcement effect on work zone speed, the impact of driving-while-intoxicated checkpoint enforcement techniques on traffic operations, and a legal approach to reduce red-running crashes.
    
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