Two projects continue on I-70 corridor, slow traffic is result |

Two projects continue on I-70 corridor, slow traffic is result

CLEAR CREEK COUNTY – The left lane of westbound Interstate 70 remained closed Thursday after a section of the median area started sinking and opened up just west of Idaho Springs on Tuesday. Engineers drilled and analyzed the area Thursday that is above an old vertical mine shaft 5-10 feet below the median ground surface. The mine shaft is estimated to be approximately 15 feet in diameter and 100 feet in depth. Repairs are required in order to stabilize the median area.The westbound lanes of I-70 have been restriped, temporarily reduced and shifted to the north. Loads wider than 14 feet are not allowed through the work area on westbound I-70. Eastbound traffic is not impacted. A reduced 40 mph speed limit is in effect through the area. It could take up to two weeks to complete the work, according to the Colorado Department of Transportation, but the schedule remains speculative. Further exploratory work needs to be done to determine if additional shafts or tunnels are in the immediate area. During that time, temporary lane closures may be necessary but the majority of work will take place in the median, allowing all lanes of I-70 to remain open.In addition to the Idaho Springs area work, rockfall mitigation continues nine miles west on I-70 at Georgetown Hill. Rockfall barrier fencing is being installed on the hillside above the highway. The right lane of westbound I-70 is closed Monday through Thursday, from 8 a.m. to 5 p.m. Minor delays can be expected due to slowing traffic through the area. Traffic stops up to 20 minutes are also possible at times to ensure motorist safety when certain mitigation work is taking place.

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