Vermont Route 66 (VT 66) is a short 7.621-mile-long (12.265 km) state highway located entirely within the town of Randolph in Orange County, Vermont, United States.

It serves as a connection between the center and east side of the town.

Vermont Technical College is located near the midpoint of Route 66, about a mile east of its interchange with Interstate 89 (I-89).

It runs northeast towards the town center and interchanges with I-89 at Exit 4.

Route 66 continues east into Randolph Center, where it passes Vermont Technical College.