National Park Service LogoU.S. Department of the InteriorNational Park ServiceNational Park Service
National Park Service: U.S. Department of the InteriorNational Park Service Arrowhead
 
 
Making America's Best Idea Even Better
Colorado National MonumentInterpretive ranger showing others the view
view map
text size:largestlargernormal
printer friendly
Colorado National Monument
Tunnels
Height and width specifications for tunnels.
A tunnel with height and width specifications.
 

#1 West Lower Tunnel

This tunnel is 236 feet long. Clearance above lanes of traffic ranges from a low point of 11'5" at a point two feet inside the curbs to a maximum of 16'1" above the centerline of the road.

#2 West Upper Tunnel

This tunnel is 182 feet long. Clearance above lanes of traffic ranges from a low point of 11'5" at a point two feet inside the curbs to a maximum of 16'1" above the centerline of the road.

#3 East Tunnel

This tunnel is 530 feet long. Clearance above lanes of traffic ranges from a low point of 11'5" at a point two feet inside the curbs to a maximum of 16'1" above the centerline of the road.
Collared Lizard  

Did You Know?
Survival for many reptiles depends on their ability to escape predators. Collared lizards can run upright and have been clocked at 16 to 17 miles per hour, ranking them as one of the fastest reptiles.
more...

Disclaimer Accessibility Privacy Policy FOIA Notices USA.gov

Last Updated: November 06, 2009 at 11:55 EST