▁north west . ▁At ▁approximately ▁ 4 ▁miles ▁into ▁the ▁route , ▁Highway ▁ 3 4 3 ▁g ently ▁curves ▁n ortheast ▁as ▁it ▁meets ▁Sher idan ▁County ▁Route ▁ 1 1 8 ▁( Col umb us ▁Creek ▁Road ). ▁Short ly ▁there after , ▁W Y O ▁ 3 4 3 ▁turns ▁due ▁north . ▁Highway ▁ 3 4 3 ▁ends ▁after ▁ 5 . 2 4 ▁miles ▁at ▁Wy oming ▁Highway ▁ 3 4 5 ▁( former ▁US ▁ 8 7 ) ▁sout heast ▁of ▁Park man . ▁ ▁Major ▁inter sections ▁ ▁References ▁ ▁External ▁links ▁▁ ▁Wy oming ▁State ▁Rout es ▁ 3 0 0 - 3 9 9 ▁W Y O ▁ 3 4 3 ▁- ▁US - 1 4 ▁to ▁W Y O ▁ 3 4 5 ▁Day ton , ▁W Y ▁website ▁ ▁Category : Transport ation ▁in ▁Sher idan ▁County , ▁Wy oming ▁ 3 4 3 <0x0A> </s> ▁Robin ▁Slo an ▁is ▁an ▁American ▁author . ▁His ▁debut ▁novel , ▁Mr . ▁Pen um bra ' s ▁ 2 4 - H our ▁Book store , ▁is ▁about ▁a ▁laid - off ▁Sil icon ▁Valley ▁te ch ▁worker ▁who ▁begins ▁working ▁at ▁a ▁dust y ▁book store ▁with ▁very ▁few ▁customers , ▁only ▁to ▁start ▁discover ing ▁one ▁secret ▁after ▁another . ▁The ▁myster ious ▁old ▁books , ▁along ▁with ▁the ▁store ' s ▁owner , ▁lead ▁to ▁a ▁ 5 0 0 ‑ year ‑ old ▁secret ▁society . ▁ ▁Biography ▁ ▁Slo