Date of Version
April 1972
Recommended Citation
Frick, W A., "Traffic Protection for Highway Work Areas" (1972). Purdue Road School. 8.
https://docs.lib.purdue.edu/roadschool/1972/proceedings/8
Start Date
4-3-1972 12:00 AM
COinS
Apr 3rd, 12:00 AM
Traffic Protection for Highway Work Areas