Illumination guidelines for nighttime highway work.

This report provides guidelines for illumination for nighttime highway work, work zone illumination design, and use of temporary roadway lighting for construction and maintenance work. These guidelines will help highway agencies and the public accrue the benefits of nighttime highway work while ensuring a safe environment for motorists and workers. The report is a useful resource for state construction engineers and others involved in nighttime construction and maintenance work on highways. (Author/publisher) This report may be accessed by Internet users at http://trb.org/publications/nchrp/nchrp_rpt_498.pdf