Risk Analysis Commons^™

Identification Of Secondary Traffic Crashes And Recommended Countermeasures, Armana Sabiha Huq

FIU Electronic Theses and Dissertations

Secondary crashes (SCs) usually occur due to congestion or other prior incidents. SCs are increasingly spotted as a significant issue in traffic operations, leading to reduced capacity, extra traffic delays, increased fuel consumption, and additional emissions. SCs have substantial impacts on traffic management resource allocation. One of the challenges in the traffic safety area of the transportation industry is to determine an adequate method for identifying SCs. The specific objectives of this study are: identification of SCs using spatiotemporal criteria and exploring the contributing risk factors to the identified SCs.

Two different approaches were explored to identify SCs. The first …