Some Glenwood Canyon incidents
Property Damage Only: 26 of 296 total crashes involved rocks
Injury Accidents: 0 of 82 total crashes resulting in injuries involved rocks
Persons Injured: 0 of 121 total persons were injured in crashes involving rocks
Total: 26 traffic crashes of 382 total involved rocks
2003: An 8-feet in diameter rock came down in 2003 and landed on the off-ramp to the Hanging Lake rest area.
May 19, 2003: Following the rockslide that occurred on I-70 in Glenwood Canyon on May 9, 2003, CDOT Maintenance crews and contractor Yenter Companies conducted rock scaling. The scaling took place at mile marker 122, west of Hanging Lake Tunnel.
Thanksgiving Day 2004: The rock fall in the Hanging Lake exit area. No one was injured. Repairs from this rock slide took about 60 days to complete. Traffic lanes were closed for around 30 hours.
December 1, 2004: Repairs begin; the eastbound I-70 lanes were repaired first with one lane open in each direction through the canyon. Trucks over 12 feet wide and 100 feet in length were prohibited.
December 28, 2004: Repairs to EB I-70 were complete. Traffic was switched to the EB lanes to begin repairs of the WB lanes. Wide loads were restricted to 8.5 feet wide and 100 feet long at all times. Oversized loads were escorted through the work site
January 26, 2005: All lanes of EB and WB I-70 reopened to traffic. Total cost of repair was $1.2 million
January 31, 2006: Highway damage and guardrail repair was completed on this day, following a New Year’s Day (2006) rockslide . Immediately following the slide, CDOT Maintenance hauled rocks away with loaders and opened one lane of traffic in each direction.
September 24, 2009: CDOT begins a project to repair rockfall fence at mile points 123.3, 123.7 and 124.4, all just west of Hanging Lake Tunnel. The work involved removal/replacement or repairs to a total 735 linear feet of fencing. The steel posts and steel netting range in height from 10- to 15-feet tall.
Recent years: A few rocks near Shoshone have come down but have been about a quarter of the size of the March 8, 2010 size.
– Source: CDOT
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