▁ 3 0 1 ▁in ▁one ▁way ▁or ▁another , ▁the ▁nearest ▁of ▁which ▁being ▁the ▁Lee ▁Roy ▁Sel mon ▁Express way . ▁Between ▁I - 7 5 ▁and ▁the ▁Lee ▁Roy ▁Sel mon , ▁though ▁US ▁ 3 0 1 ▁serves ▁as ▁the ▁eastern ▁termin us ▁of ▁SR ▁ 6 7 6 ▁( C ause way ▁Bou lev ard ), ▁which ▁takes ▁motor ists ▁to ▁US ▁B US ▁ 4 1 . ▁The ▁first ▁major ▁intersection ▁north ▁of ▁the ▁Sel mon ▁Express way ▁though ▁is ▁SR ▁ 6 0 . ▁ ▁At ▁Six ▁M ile ▁Creek , ▁an ▁over pass ▁takes ▁US ▁ 3 0 1 ▁over ▁the ▁tracks ▁of ▁CS X ' s ▁" A - line ", ▁one ▁of ▁the ▁rail road ▁company ' s ▁main ▁lines ▁through ▁Florida ▁( also ▁used ▁by ▁Am tra k ' s ▁Silver ▁Star ▁passenger ▁trains ), ▁and ▁CR ▁ 5 7 4 , ▁which ▁is ▁only ▁accessible ▁from ▁local ▁connecting ▁roads . ▁It ▁then ▁cross es ▁the ▁first ▁bridge ▁over ▁the ▁T ampa ▁B yp ass ▁Canal ▁before ▁intersect ing ▁SR ▁ 5 7 4 ▁in ▁East ▁Lake - Ori ent ▁Park . ▁At ▁the ▁Florida ▁State ▁Fair ground s , ▁US ▁ 3 0 1 ▁has ▁an ▁par clo ▁inter change ▁with ▁Inter state ▁ 4 ▁and ▁U . S . ▁Route ▁ 9 2 ▁( SR ▁ 6 0 0 ). ▁A ▁reconst ruction ▁project ▁took ▁place ▁in ▁the ▁early - 2 0 0 0 s ▁with ▁prov isions ▁for ▁a