N.D. Cent. Code § 39-10-42: All vehicles must stop at certain railroad grade crossings

The department of transportation and local authorities, with respect to highways under their respective jurisdiction, are hereby authorized to designate particularly dangerous highway grade crossings of railroads and to erect stop signs thereat. When such stop signs are erected, the driver of any vehicle shall stop within fifty feet [15.24 meters] but not less than fifteen feet [4.57 meters] from the nearest rail of such railroad and shall proceed only upon exercising due care.