median barrier

WA-RD 516.1
Authors: 
Richard W. Glad, Richard B. Albin, Dawn M. McIntosh, David K. Olson.
Originator: 
Washington (State). Dept. of Transportation.
Publication Date: 
Friday, March 1, 2002
M 22-01
Originator: 
Development Division, Design Office
Publication Date: 
Friday, September 1, 1967