Should right-turn traffic from minor streets be counted in the traffic volume for signal warrant studies, or should it be disregarded?
In Section 4C.01, the MUTCD states, “Guidance: The study [engineering study] should consider the effects of the right-turn vehicles from the minor-street approaches. Engineering judgment should be used to determine what, if any, portion of the right-turn traffic is subtracted from the minor-street traffic count when evaluating the count against the above signal warrants.” Section 4C.01 also includes additional guidance concerning the presence of an exclusive right-turn lane and how that might impact how much of the right turn volume is included. Please refer to that section for more detail on this issue.
Related Questions
- With the increase in traffic volumes, the signal warrants are being met more frequently. Is the FHWA considering an increase in volume levels for traffic signal warrants?
- Should right-turn traffic from minor streets be counted in the traffic volume for signal warrant studies, or should it be disregarded?
- What is a Traffic Signal Warrant?
