Status: In-stock; Usually ships within 1 business day. Item Number: A180 Type of Media: 23x35 Chart (on PDF)
Additional Information / Summary:
Shows the graphical representation of median barrier need as a function of traffic volume and median width. These warrants are presented in the 1977 publication "Guide for Selecting, Locating, and Designing Traffic Barriers" by the American Association of State Highway and Transportation Officials.