, ▁and ▁the ▁first ▁part ▁was ▁completed ▁four ▁years ▁later . ▁The ▁Co ent unnel ▁was ▁opened ▁on ▁ 2 1 ▁June ▁ 1 9 6 6 . ▁The ▁western ▁part ▁of ▁the ▁A 1 0 ▁( the ▁Ein stein weg ) ▁was ▁finished ▁on ▁ 2 ▁April ▁ 1 9 7 5 ▁and ▁the ▁southern ▁part ▁on ▁ 7 ▁July ▁ 1 9 8 1 . ▁The ▁eastern ▁and ▁northern ▁part ▁were ▁finished ▁in ▁ 1 9 9 0 , ▁with ▁the ▁completion ▁of ▁another ▁tunnel ▁under ▁the ▁I J , ▁the ▁Ze eb urg ert unnel . ▁ ▁Speed ▁limit ▁ ▁The ▁western ▁part ▁of ▁the ▁A 1 0 , ▁between ▁inter change ▁De ▁N ieu we ▁Me er ▁and ▁exit ▁ 2 ▁the ▁speed ▁limit ▁is ▁ 8 0   km / h ▁( 5 0   m ph ). ▁The ▁rest ▁of ▁the ▁A 1 0 ▁is ▁ 1 0 0   km / h ▁( 6 2   m ph ). ▁During ▁r ush ▁hour ▁the ▁speed ▁on ▁the ▁southern ▁part ▁can ▁be ▁reduced ▁to ▁ 8 0   km / h . ▁ ▁Exit ▁list ▁ ▁External ▁links ▁ ▁References ▁▁ ▁Category : Transport ▁infrastr ucture ▁completed ▁in ▁ 1 9 6 6 ▁ 1 0 ▁Category : Transport ▁in ▁Amsterdam ▁Category : R ing ▁roads <0x0A> </s> ▁Me h di ▁Zam ani ▁( ; ▁born ▁ 2 0 ▁December ▁ 1 9 8 9 ) ▁is ▁an ▁Iran ian ▁track ▁and ▁field ▁spr inter ▁who ▁special