Colorado State Patrol says to expect delays after a semi jackknifed and crashed into a US 6 guardrail Friday morning, rupturing its fuel tank.

The crash was reported just after 10 a.m. by CSP Golden’s Twitter account.

Hazardous materials teams have been called to the scene in wake of the fuel spill.

Road of conditions west of Denver were wintry, with crashes reported on the Interstate 70 corridor.