North Dakota Highway 42

North Dakota Highway 42 (ND 42) is a north–south highway located in northwestern North Dakota. The highway traverses northern Williams and Divide Counties. The southern terminus is at ND 50 near Corinth and the northern terminus is a continuation as Saskatchewan Highway 350 (Hwy 350) at the Canadian border.

Route description
ND 42 begins at a junction with ND 50 near the small town of Corinth, in northern Williams County. After going through town, it enters Divide County, and meets ND 5 in the county seat, Crosby. For 8 mi, ND 42 runs concurrently with ND 5 from Crosby to just south of Ambrose. ND 42 turns northward to end at the Canadian border. The roadway continues northward beyond the Ambrose–Torquay Border Crossing and port of entry as Hwy 350, 16 km south of Torquay, Saskatchewan.

History
From 1926 to 1927, ND 42 was previously designated onto an alignment now designated as ND 37.