Wikipedia:Articles for deletion/M-144 (1937–1939 Michigan highway)
An article based solely on maps violates , a core policy. Maps are primary sources. , part of , directs: "Wikipedia articles should be based on reliable, published secondary sources and, to a lesser extent, on tertiary sources and primary sources
— User:Sandstein, 15:25, 20 December 2020 (UTC)
Stance: delete
Cited policy: WP:NOR||WP:PSTS (Wikipedia:No original research)