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Safety remains the top priority in development and operation of national, regional, and local transportation systems. Accidents result from both human errors and environmental factors. Significant research is still needed to understand contributing variables and to implement solutions through vehicle and infrastructure design improvements or through operational and communications improvements.

Investigating Temporal Effects on Truck Accident Occurrence and Severity Level in New York City

As one of the major causes of fatalities and injuries in the U.S., motor vehicle crashes and their influential factors have been analyzed extensively in the last few decades. However, most existing studies on crashes primarily focus on passenger vehicles and highway segments. The studies on truck related safety issues in metropolitan areas are largely underexplored. Meanwhile, as part of the effort to relieve congestion in New York City, an Off-Hour Delivery program (OHD) is being implemented.

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