Portable Changeable Message Sign Handbook (PCMS)
Primary Topic: Traffic
Description: The purpose of this handbook is to present basic guidelines for the use of portable changeable message signs (PCMS). This handbook presents information on the PCMS and is intended to illustrate the principles of proper PCMS use.
FHWA Publication Number: FHWA-RD-03-066
Publication Year: 2003
Document Links: HTML