▁end ▁of ▁Kent ▁County . ▁M - 4 6 ▁joins ▁US   1 3 1 ▁from ▁the ▁west ▁at ▁C ed ar ▁Spr ings ▁and ▁the ▁two ▁high ways ▁pass ▁into ▁north western ▁Mont cal m ▁County ▁near ▁Sand ▁Lake . ▁North ▁of ▁Pi erson ▁the ▁landscape ▁is ▁domin ated ▁by ▁for ests . ▁M - 4 6 ▁turns ▁east ▁and ▁leaves ▁the ▁fre ew ay ▁near ▁Howard ▁City ▁while ▁US   1 3 1 ▁continues ▁into ▁M ec osta ▁County ▁near ▁the ▁Little ▁Mus k eg on ▁River . ▁The ▁fre ew ay ▁forms ▁the ▁eastern ▁boundary ▁of ▁the ▁Man iste e ▁National ▁Forest ▁near ▁the ▁river ▁and ▁north ▁to ▁Big ▁Rap ids . ▁Further ▁north ▁M - 2 0 ▁joins ▁the ▁US   1 3 1 ▁fre ew ay ▁near ▁Stan wood ▁and ▁the ▁two ▁high ways ▁cross ▁the ▁Mus k eg on ▁River ▁on ▁the ▁way ▁to ▁Big ▁Rap ids . ▁The ▁city ▁is ▁served ▁by ▁its ▁own ▁business ▁loop ▁and ▁M - 2 0 ▁turns ▁east ▁off ▁the ▁fre ew ay ▁along ▁Bus . ▁US   1 3 1 ▁toward ▁the ▁main ▁campus ▁of ▁Ferr is ▁State ▁University . ▁North ▁of ▁Big ▁Rap ids ▁US   1 3 1 ▁runs ▁through ▁rural ▁Os ce ola ▁County ▁to ▁a ▁j unction ▁with ▁US   1 0 ▁at ▁Re ed ▁City . ▁ ▁Northern ▁Michigan ▁ ▁Pass ing ▁through ▁rural ▁Os ce ola ▁County ▁and ▁providing ▁access ▁to ▁rural ▁communities ▁such ▁as ▁Le ▁Roy ▁and ▁T ust in , ▁US  