▁Sal is bury . ▁ ▁Tra ffic ▁density ▁is ▁generally ▁low ▁on ▁this ▁ ▁stretch ▁of ▁fre ew ay . ▁▁▁ ▁I - 4 9 5 ▁has ▁its ▁northern ▁termin us ▁at ▁I - 9 5 ▁exit ▁ 5 9 ▁just ▁south ▁of ▁the ▁New ▁Ham pshire ▁state ▁line , ▁a ▁Y - inter change ▁that ▁mer ges ▁I - 4 9 5 ▁onto ▁I - 9 5 . ▁North bound ▁access ▁to ▁I - 4 9 5 ▁south ▁is ▁possible ▁via ▁exit ▁ 5 8 ▁for ▁Route ▁ 1 1 0 ▁west bound , ▁which ▁leads ▁to ▁I - 4 9 5 ' s ▁exit ▁ 5 5 ▁( I - 4 9 5 ' s ▁last ▁exit ▁before ▁I - 9 5 ). ▁The ▁northern most ▁exit ▁in ▁Massachusetts ▁is ▁exit ▁ 6 0 , ▁providing ▁access ▁to ▁Main ▁Street ▁towards ▁Am es bury ▁and ▁Route ▁ 2 8 6 ▁towards ▁Sal is bury ▁Beach ▁and ▁Ham pton ▁Beach ▁( the ▁south bound ▁r amp ▁starts ▁in ▁New ▁Ham pshire ). ▁ ▁After ▁crossing ▁under ne ath ▁the ▁connecting ▁roads , ▁I - 9 5 ▁cross es ▁the ▁state ▁line ▁into ▁Se ab ro ok , ▁New ▁Ham pshire . ▁ ▁History ▁The ▁original ▁plans ▁called ▁for ▁I - 9 5 ▁to ▁run ▁through ▁dow nt own ▁Boston . ▁The ▁highway ▁would ▁have ▁progress ed ▁from ▁Route ▁ 1 2 8 ▁and ▁Read ville , ▁followed ▁the ▁South west ▁Cor rid or , ▁joined ▁the ▁Inner ▁B elt ▁in ▁Ro x