The MUTCD says permanent signs are to be erected 7 feet high. The portable signs must be over a foot off the ground and should not be in place more than three days. But in the construction project ...

GARLAND, TEXAS - Now available from Precision Solar Controls (PSC) is a new cost-effective, MUTCD-compliant variable message sign, the SMC 1000 ST Solar Message Center.. The portable SMC 1000 ST ...