. . . "36532.1"^^ . . "State Highway 66 is a 22.7 mi (36.5 km) long east-west state highway in Boulder and Weld counties in Colorado. The highway extends from the foothills of the Rocky Mountains at a junction with U.S. Highway 36 southeast of Lyons, proceeding east through the northern edge of Longmont, to Platteville where it ends at U.S. Highway 85. Although a number of western states retain their \"state highway 66\" as the decommissioned U.S."@en . "CO" . . . . "West" . . "66" . "East" .