Any controlled-access highway or facility and portions thereof shall be physically marked by signs indicating to drivers of vehicles the points at which they enter and leave a controlled-access area.
Mont. Code Ann. § 60-5-109
Marking of controlled-access highway or facility with signs
En
Official source: Montana Code Annotated (Montana Legislature). Reproduced from public-domain Montana statutes; confirm against the official source for the current text. Not legal advice.