US lawNew MexicoRegulationsTitle 18 — TRANSPORTATION AND HIGHWAYSChapter 21 — TRAFFIC CONTROL SIGNAGEPart 5 — OUTDOOR ADVERTISING REQUIREMENTS18.21.5.418.21.5.4 NMACDurationLast amended: 2014Year: 2014Length: 4 wordsOfficial source 18.21.5.4 NMAC, Duration: Permanent.Previous18.21.5.3 NMACNext18.21.5.5 NMAC