The crash occurred on the eastbound side of the highway near the Georgetown exit, a stretch of mountain interstate that carries heavy commuter and ski-traffic volumes and is prone to rapid weather shifts and chain-reaction pileups. Emergency crews responded to reports of multiple vehicles involved and found a scene spanning several lanes.

Nine people were hurt in the collision. Two of the injured were sheriff's deputies, though officials did not immediately describe the severity of their injuries or say whether they were struck while responding to the initial crash. The conditions of the other seven injured people were not released.

Eastbound lanes were shut down at Georgetown while investigators documented the scene and tow operators removed the wrecked vehicles. The closure forced traffic onto local mountain roads and created significant delays for drivers heading down from the high country toward the Denver metro area. Westbound lanes were not reported closed.

The cause of the crash remains under investigation. Authorities have not said whether speed, following distance, road conditions or weather played a role.

The closure highlights the fragility of the I-70 mountain corridor, where a single multi-vehicle crash can strand travelers for hours and complicate access for emergency responders. Local officials and transportation planners have long flagged the need for better incident management and safer design on the steep, curving approaches around Georgetown, particularly as traffic volumes and extreme-weather events increase.

Drivers were advised to expect residual delays and to check highway conditions before traveling through the corridor. No further details were immediately available.