Sites

Colorado Boulder District Report

David M. Day

CO, DOT Region 1, Boulder, CO

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Reflectorized Section

December 1996–February 2000

Location: US 36, 6.1 miles north of Boulder
Length of Reflectorized Section: mp 25.99 to 26.6 = 0.6 miles
Reflectors Installed: Dec. 1996
Reflector Installation Design: NEW (Directed across hwy)
Terrain: Curves
Estimated Reflector Maintenance Costs: $440/mile/year
Deer-Vehicle After Dark Accident History Prior to Installation: 1993 Mule Deer: 5, Elk 1
1994 Mule Deer: 4, Elk 0
1995 Mule Deer: 4, Elk 0
1996 Mule Deer: 6, Elk 2
Deer-Vehicle After Dark Accident History After Installation: 1997 Mule Deer: 0, Elk 1
1998 Mule Deer: 1, Elk 0
1999 Mule Deer: 4, Elk 3
2000 Mule Deer: 0, Elk 0
Yearly Reduction in Mule/Deer Accidents: 1997: 100%
1998: 79%
1999: 0.2%
2000: 58%

Control Sections (without reflectors)

Dec 1996–February 2000

Location: US 36, mps 21.77 to 25.99 and 26.6 to 35
Length of Control Section: 12.62 miles
Deer-Vehicle After Dark Accident History Prior to Installation: 1993 Mule Deer: 3–4, Elk 0
1994 Mule Deer: 4, Elk 1
1995 Mule Deer: 3–4, Elk 0
1996 Mule Deer: 3, Elk 0
Deer-Vehicle After Dark Accident History After Installation: 1997 Mule Deer: 3, Elk 1
1998 Mule Deer: 8, Elk 4
1999 Mule Deer: 17, Elk 7
photo of the site after Strieter-Lite installation

I can confirm that deer and elk are present at this test site (the Boulder site) as I drive through the site on my way to and from work, Monday through Friday.

—Mike Day, Highway Maintenance Supervisor I, CO DOT, Region 1, Boulder Colorado