Traffic Engineering Design Manual http://www.virginiadot.org/business/locdes/traffic-engineering-manual.xml LocDes Business en-us Thu, 02 Jun 2011 7:38:19 GMT-8 Traffic Engineering Design Manual http://www.virginiadot.org/business/locdes/traffic-engineering-manual.asp Thu, 02 Jun 2011 7:38:19 GMT-8