Staff is doing a left turn study for this intersection. The study may take up 45 to 60 days to gather and compile needed data. Thanks for your concern with the safe and efficient of traffic.

The City of Raleigh Public Works Department conducted a left turn study for this location. 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 that for the last 3 year study period from 4/1/2011 thru 4/1/2014 there have been two reported crashes at the intersection of Six Forks and Mourning Dove/Sawmill, which might be considered correctable by the installation of a left turn signal. The most recent twelve month study period shows there has been 1 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 of Six Forks and Mourning Dove/Sawmill 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 did recommend that a left turn must yield on green ball sign be installed.

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