CSAH 78 drainage plans:
69-01-78 (likely replaced/reconstructed since)
02-678-08
02-678-11
02-678-13
02-678-14
02-678-16/02-716-10
02-678-17/02-611-29
02-678-18
002-678-023
002-678-025
02-12-11 (mostly on CSAH 11, but includes structures at intersection with 78)