Per Public Works: We have recently conducted a left turn study for that intersection. This study included examining current traffic volumes, crash history, and performing field investigations.

There are two main reasons for installing protected left turn signals at an intersection; (1) to correct a crash problem and (2) to reduce delay. This intersection did not meet the guidelines from the Institute of Transportation Engineers’ most current edition of the Traffic Control Devices Handbook which are generally accepted by NCDOT.

Crash history shows for the most recent 2 year study period there have been two reported left turn crashes at the intersection, which might be considered correctable by the installation of left turn signals. The most recent twelve month study period shows there has been one reported crash that the installation of a protected left turn signal may have addressed. This location does not meet the crash warrant criteria for consideration of a traffic signal, which are 4 or more crashes from the same approach in a recent 12 month study period.

Traffic volumes were studied and found that the intersection did not meet the cross product threshold lower limit for the installation of protected left turn signals. Based on the traffic signal study, the Public Works Department can not recommend protected left turn signal be installed for this location at this time. However, The City of Raleigh will monitor this intersection and adjust current traffic signal timings, if needed, which may help resolve these issues.

Thank you for your interest in the safe and efficient movement of traffic.