Google Street View Timelapse US-51 N - Louisiana Mile 1 - 18 Laplace/ Ponchatoula/Hammond/natalbany

US 51 begins at the intersection with US 61 in Laplace and heads northeast. It intersects I-10 before running concurrently with I-55. Near the interchange with I-12, the route splits from I-55. It intersects US 190 in Hammond and remains running parallel with I-55 before entering Mississippi. In the 1930s, this highway was called Jefferson Davis Highway.[4]