By the 1930s, roads of varying quality had been constructed along the approximate alignments of present-day Highways 1, 2, 3, 4 and 16, all paralleling existing railways.
By the 1930s, highways of different levels of quality had been constructed alongside the paths that are now part of Highways 1, 2, 3, 4 and 16, which were in close proximity to or near existing rail lines.