Impending Changes for Traffic Sign Design

Authors

Dale Louie, Sign and Lighting Design, IDOH

Date of Version

March 1987

Recommended Citation

Louie, Dale, "Impending Changes for Traffic Sign Design" (1987). Purdue Road School. 15.
https://docs.lib.purdue.edu/roadschool/1987/proceedings/15

Start Date

3-10-1987 12:00 AM