A railroad shall not occupy a grade crossing over a highway by its engines and cars more than 5 minutes at one time without authority from the department of transportation.
RSA 246:15
1850, 965:2, 3, 4. 1852, 1302:1. CS 150:49, 52. GS 148:7. GL 162:7. 1883, 26:1, 2. 1885, 98:6. 1889, 65:1; 90:2. PS 159:8. PL 249 :27. RL 299:29. 1951, 203:58 par. 15. RSA 373:15. 1985, 402:6, I(e)(5).