<P> The 4,229 - foot ( 1,288 m ) tunnel was first opened in 1972 after five years of construction labor . It carried a price tag of $50 million , which at the time was the most expensive single project undertaken on Virginia 's interstate system. ( 1 ) The opening of the tunnel reduced the travel time from Wytheville to Bland County by 30 minutes. ( 2 ) </P>
<P> The 4,229 - foot ( 1,288 m ) tunnel was first opened in 1972 after five years of construction labor . It carried a price tag of $50 million , which at the time was the most expensive single project undertaken on Virginia 's interstate system. ( 1 ) The opening of the tunnel reduced the travel time from Wytheville to Bland County by 30 minutes. ( 2 ) </P>
when was the big walker mountain tunnel built
when was the big walker mountain tunnel built
1972
1972