US lawNew MexicoRegulationsTitle 18 — TRANSPORTATION AND HIGHWAYSChapter 14 — RAILROADSPart 4 — GRADE CROSSINGS ON LAND AND RAILROAD TRACKS CONTROLLED BY THE18.14.4.418.14.4.4 NMACDurationLast amended: 2010Year: 2010Length: 4 wordsOfficial source 18.14.4.4 NMAC, Duration: Permanent.Previous18.14.4.3 NMACNext18.14.4.5 NMAC