Highway 51 Highway 51 1970 to 1997 #mainline51 -81.8464434792991,42.32552960194572,0 -81.84534784685205,42.32901917513402,0 -81.84470189541173,42.33100064239468,0 -81.84396881676456,42.33332020572921,0 -81.84388456664847,42.33366131816183,0 -81.84380921863099,42.33387325353058,0 -81.84411,42.334064,0 -81.84850299999999,42.33742,0 -81.854934,42.342449,0 -81.866377,42.351504,0 -81.877886,42.360468,0 -81.88385572083824,42.36512842300276,0