▁the ▁Pacific ▁Ocean . ▁ ▁Form er ▁fer ry ▁crossing ▁In ▁ 1 9 2 5 , ▁US   1 2 ▁in ▁Michigan ▁was ▁originally ▁proposed ▁to ▁run ▁from ▁Detroit ▁to ▁Lud ington , ▁across ▁Lake ▁Michigan , ▁via ▁the ▁Pere ▁Mar qu ette ▁Railway ▁car ▁fer ry ▁to ▁Man it ow oc , ▁Wisconsin , ▁and ▁then ▁continu ing ▁into ▁Wisconsin , ▁on ▁what ▁later ▁became ▁US   1 0 , ▁in ▁those ▁two ▁states . ▁ ▁The ▁ 1 9 7 4 ▁" G old en ▁An ni versary ▁C ele br ation " ▁repr int ▁of ▁the ▁ 1 9 2 6 ▁Rand ▁Mc N ally ▁Road ▁Atlas ▁shows ▁US ▁ 1 2 ▁following ▁what ▁later ▁became ▁the ▁route ▁of ▁US ▁ 1 0 ▁through ▁Michigan , ▁from ▁Detroit , ▁through ▁Fl int , ▁S ag ina w , ▁Mid land , ▁and ▁Cla re ▁on ▁its ▁way ▁to ▁Lud ington . ▁ ▁Wy oming ▁US   1 2 ▁originally ▁went ▁into ▁Wy oming , ▁before ▁being ▁r er out ed ▁into ▁Mont ana ▁and ▁was ▁proposed ▁to ▁go ▁into ▁Oregon , ▁but ▁did ▁not . ▁ ▁Mad ison ▁to ▁Chicago ▁fre ew ay ▁US   1 2 ▁was ▁originally ▁planned ▁to ▁be ▁a ▁fre ew ay ▁from ▁Mad ison , ▁Wisconsin ▁to ▁the ▁Illinois ▁state ▁line ▁at ▁Gen oa ▁City . ▁The ▁fre ew ay ▁would ▁have ▁continued ▁south ▁and ▁east ▁into ▁Lake ▁County , ▁Illinois ▁to ▁connect ▁to ▁the ▁long ▁proposed ▁Illinois ▁Route ▁ 5 3 ▁extension .