Published in 1988
In early 1988 the Virginia Department of Transportation (VDOT) was awarded a grant of $3.8 million from the Exxon oil overcharge refund to implement a statewide signal timing optimization program. A limited survey of signal timing programs in other states was undertaken to assist the VDOT in decisions regarding the design of its program. The findings from that survey are reported in this document.
Last updated: December 29, 2023