Texas State Highway 66

State Highway 66 marker
State Highway 66
Map
Route information
Maintained by TxDOT
Length34.96 mi[1] (56.26 km)
Existedby 1933–present
Major junctions
West end SH 78 at Garland
East end US 69 / US 380 at Greenville
Location
CountryUnited States
StateTexas
CountiesDallas, Rockwall, Collin, Hunt
Highway system
US 66 US 67
Texas State Highway 66 in Caddo Mills

State Highway 66 (SH 66) is a state highway in the U.S. state of Texas, connecting Garland to Greenville. The route runs roughly parallel to Interstate 30, passing through Rowlett, Rockwall, Fate, Royse City, and Caddo Mills. It also crosses Lake Ray Hubbard twice. It is known locally as Lakeview Parkway in Rowlett and as Avenue B in Garland.

  1. ^ Transportation Planning and Programming Division (n.d.). "State Highway No. 66". Highway Designation Files. Texas Department of Transportation.