2 . 1   mi ) ▁rural ▁gap , ▁and ▁enters ▁Whit by . ▁The ▁stretch ▁of ▁Highway   4 0 1 ▁through ▁Whit by ▁and ▁O sh awa ▁features ▁several ▁structures ▁completed ▁during ▁the ▁initial ▁construction ▁of ▁the ▁highway ▁in ▁the ▁ 1 9 4 0 s . ▁Several ▁of ▁these ▁structures ▁are ▁to ▁be ▁demol ished , ▁either ▁due ▁to ▁their ▁age , ▁or ▁to ▁prepare ▁for ▁the ▁planned ▁w iden ing ▁of ▁Highway   4 0 1 ▁through ▁this ▁area . ▁A ▁former ▁Canadian ▁National ▁Railway ▁over pass , ▁which ▁was ▁f enced ▁off ▁but ▁commonly ▁used ▁by ▁ped est ri ans ▁during ▁Highway ▁of ▁Hero es ▁rep atri ations , ▁was ▁demol ished ▁on ▁the ▁night ▁of ▁June ▁ 1 1 , ▁ 2 0 1 1 . ▁A ▁second ▁structure ▁in ▁Bow man ville ▁was ▁demol ished ▁during ▁two ▁over night ▁clos ures ▁on ▁July ▁ 9 ▁and ▁ 1 6 . ▁At ▁Harm ony ▁Road , ▁the ▁sub urban ▁surr ound ings ▁quickly ▁transition ▁to ▁agricult ural ▁land . ▁The ▁highway ▁curves ▁around ▁the ▁south ▁side ▁of ▁Bow man ville ▁and ▁travel s ▁towards ▁Highway   3 5 ▁and ▁Highway   1 1 5 . ▁ ▁Eastern ▁Ontario ▁▁ ▁From ▁east ▁of ▁Highway   3 5 ▁and ▁Highway   1 1 5 ▁to ▁Cob ourg , ▁Highway   4 0 1 ▁passes ▁through ▁a ▁mix ▁of ▁agricult ural ▁land ▁and ▁for ests , ▁maintain ing ▁a ▁straight ▁course . ▁Just ▁east ▁of ▁Cob ourg , ▁the ▁highway