Texas State Highway 66

State Highway 66 marker

State Highway 66
Route information
Maintained by TxDOT
Length: 35.0 mi[1] (56.3 km)
Existed: by 1933 – present
Major junctions
Southwest end: SH 78 at Garland
Northeast end: US 69/US 380 at Greenville
Location
Counties: Dallas, Rockwall, Collin, Hunt
Highway system
US 66US 67

State Highway 66 or SH 66 is a state highway running from Garland to Greenville, roughly parallel to Interstate 30. Along the way, it passes through Rowlett, Rockwall, Fate, Royse City, and Caddo Mills. It also twice crosses Lake Ray Hubbard.

History

SH 66 was previously designated first in 1926 as a route from Bogata northeast through Clarksville toward the Oklahoma town of Idabel. By 1931, this route had been added as a northern extent of SH 37, and was instead assigned along an ambitious route spanning the entire state from Wichita Falls to the Rio Grande near Hidalgo. In 1939, this entire second route was cancelled in favor of U.S. Highway 281.

The current route was designated in 1961, replacing FM 7 and U.S. Highway 67, which was rerouted atop I-30.

Junctions

CountyLocationmikmDestinationsNotes
DallasGarland0.0000.000 SH 78 Dallas, Sachse
Rowlett4.47.1 Pres. George Bush Tpk. Richardson, Dallas
RockwallRockwall10.316.6
Bus. SH 205
11.518.5 FM 1141
11.718.8 SH 205 Lavon, McLendon-Chisholm
13.020.9 FM 3549
Fate15.124.3 FM 551
 18.129.1 FM 552 Rockwall
 18.329.5 FM 1138 Nevada
Royse City19.631.5 FM 548 McLendon-Chisholm, Forney
Collin20.533.0 FM 1777 Josephine
Hunt 22.836.7 FM 2642 Royse City
Caddo Mills27.343.9 FM 1565
27.644.4 FM 6 Rockwall
28.245.4 FM 36Southern end of FM 36 concurrency
28.345.5 FM 36 FloydNorthern end of FM 36 concurrency
 33.253.4 FM 1570 Greenville, L-3 Communications
 33.654.1 FM 3211
Greenville35.056.3 US 69 / US 380 Denison, McKinney
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

  1. Texas Department of Transportation,


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