▁Div ide . ▁At ▁the ▁time ▁of ▁dedic ation , ▁this ▁tunnel ▁was ▁the ▁highest ▁veh icular ▁tunnel ▁in ▁the ▁world , ▁at ▁. ▁As ▁of ▁ 2 0 1 0 , ▁the ▁facility ▁was ▁still ▁the ▁highest ▁veh icular ▁tunnel ▁in ▁the ▁United ▁States . ▁The ▁Eisen h ower ▁T unnel ▁is ▁noted ▁as ▁both ▁the ▁longest ▁mountain ▁tunnel ▁and ▁the ▁highest ▁point ▁on ▁the ▁Inter state ▁Highway ▁System . ▁The ▁tunnel ▁has ▁a ▁command ▁center , ▁staff ed ▁with ▁ 5 2 ▁full - time ▁employees , ▁to ▁monitor ▁traffic , ▁remove ▁str and ed ▁vehicles , ▁and ▁maintain ▁gener ators ▁to ▁keep ▁the ▁tunnel ' s ▁light ing ▁and ▁vent ilation ▁systems ▁running ▁in ▁the ▁event ▁of ▁a ▁power ▁failure . ▁Sign als ▁are ▁placed ▁at ▁each ▁entrance ▁and ▁at ▁various ▁points ▁inside ▁the ▁tunnel ▁to ▁close ▁lan es ▁or ▁stop ▁traffic ▁in ▁an ▁emer gency . ▁There ▁are ▁several ▁active ▁and ▁former ▁ski ▁resort s ▁in ▁the ▁vic inity ▁of ▁the ▁tunnel , ▁including ▁Bre cken ridge ▁Ski ▁Res ort , ▁Ke yst one ▁Res ort , ▁A rap ah oe ▁Bas in , ▁Lov eland ▁Ski ▁Area , ▁Ber th oud ▁Pass ▁Ski ▁Area ▁and ▁Winter ▁Park ▁Res ort . ▁ ▁Clear ▁Creek ▁The ▁fre ew ay ▁follows ▁Clear ▁Creek ▁down ▁the ▁eastern ▁side ▁of ▁the ▁Rock ies , ▁passing ▁through ▁the ▁V eter ans ▁Memorial ▁T unn els ▁near ▁Id aho ▁Spr ings . ▁Far ther ▁to ▁the ▁east , ▁I - 7 0 ▁dep arts ▁the