This is the newest Tunnel. Actually and enlargement/replacement of a smaller tunnel. So new that it has no separate Wikipedia entry. The Tunnels was enlarged to add potential express lanes at a later date. It is just east of Idaho Springs on Interstate 70. We usually approach this area by merging onto I-70 for US Hwy 6, and yes it is a left lane merge:
Here below in the westbound lanes:
And below we are inside the tunnel. It also has a curve:
Another part of my Frugal Film Shooting............
