Update, 7:53 p.m.: I-70 has reopened in both directions.
Update, 7:10 p.m.: I-70 has reopened westbound over Vail Pass, but remains closed eastbound.
VAIL, Colorado - An accident on Vail Pass has closed Interstate 70 in both directions as of 4:10 p.m. Tuesday.
The eastbound interstate is closed at mile marker 176, while westbound Interstate 70 is closed at Frisco.
This story will be updated.