An Evaluation of Flagging Techniques and Devices on Two-Lane Highway Construction Zones

Various methods of controlling traffic through construction zones are examined. The accident statistics concerning construction flagging are summarized, indicating the need for improvements in construction flagging techniques. A research methodology is presented for implementing and evaluating several flagging techniques.


Publication Date: 
Thursday, June 23, 1988
Publication Number: 
WA-RD 160.1
Last modified: 
10/12/2016 - 15:42
Anthony Ifie, Jimmie Hinze.
Washington State Transportation Center (TRAC)
Number of Pages: 
Accidents, Construction sites, Evaluation, Flaggers, Highways, Road construction workers, Statistics, Two lane highways, Work zone traffic control.