Guide to best practices.

Report on the procedure by traffic movements and times of day.

Explains the interchange and eliminates the need for left-turn phasing.

Report on the permissive-only left turn indication field implementation.

Guide to assist traffic operation engineers to design safer preemption timings.

Results of survey of local jurisdictions on traffic signal operations and strategies to improve congestion.

Centre for Automotive Safety Research at the University of Adelaide, Australia's report explores right turn crashes.

Estimating crash modification factors with different left-turn phasing schemes at high-speed intersections.

Examines various cost-effective techiques to create good signal timing plans.

Short report outlines processes that are supportive of successful traffic signal system procurements.

Guidance on optimizing traffic signalization.

Assessment can be used to grade the performance of systems.

Examine emergency preemption at signalized intersections in a number of communities across the United States.

Guidance for signal timing practitioners.

Necessary infrastructure required to implement select TSP systems.

Download traffic signal regulations for the UK.