twin tunnels form west_virginia tunnels miles long cutting hill carries lanes interstate tunnels originally took years construct costing million reconstruction tunnel originally planned total months took years complete cost million overview sits exits interstate run concurrent city tunnel cuts hill travel lanes tube exit western end tunnels tunnels right lanes function acceleration lanes traffic restricted left lane tunnel lane changes prohibited series accidents involving semi trailer trucks prompted local political candidates push trucks banned tunnel nearby construction twin tunnels cost million equivalent million construct lined total square feet industrial tile governor state roads commissioner broke ground tunnel august stated largest single construction project state interstate highway program construction contract awarded located baltimore maryland workers ill exposed high amounts carbon brought construction halt ventilation fans installed tunnel officially opened traffic december renovations plans reconstruction tunnel formed reconstruction work beginning january reconstruction tunnel planned months reconstruction eastbound tunnel totally completed took months issues reconstruction work local politicians suggested closing tunnels altogether build freeway hill opposition groups suggestions dropped completion eastbound tunnel reconstruction begin july tiles replaced time new tiles fabricated german tile manufacturer award contract german company company complete request time frame required original tiles defunct company based cleveland second round eastbound tunnel reconstruction westbound tunnel closed overnight construction work eastbound tunnel reconstruction completed october westbound tube closed february opened month ahead schedule september total cost project double original bid totaling million delays
Wheeling Tunnel