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Texas State Highway Loop 12 facts for kids

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State Highway Loop 12 marker

State Highway Loop 12
Route information
Length 47.74 mi (76.83 km)
Existed 1939–present
Major junctions
Beltway around Dallas
CCW end I-30
  • US 75
  • Dallas North Tollway
  • I-35E
  • SH 114
  • SH 183
  • US 67
  • SH 342
  • I-45
  • US 175
CW end I-30.svg I-30
Highway system
Highways in Texas
Interstate • U.S. • TX (Loops – Spurs – Rec – FM)
SH 12 RM 12

Loop 12 is a state highway that runs mostly within the city limits of Dallas, Texas. The western segment of the loop is named after General Walton Walker, who served and died in South Korea. During the 1950s and 1960s, Loop 12 was the outer beltway in the Dallas area, having since been supplanted by Interstate 635, which is itself being supplanted by the President George Bush Turnpike (SH 190). Loop 12 is, however, the only state highway in Dallas that forms a complete loop (Belt Line Road is also a complete loop but is not a state road except for a stretch as part of Farm to Market Road 1382).

Major intersections

The entire route is in Dallas County.

Location Mile Roads intersected Notes
Dallas South Polk Street interchange
US 67 (Marvin D. Love Freeway) interchange
Ledbetter Drive / Cockrell Hill Road interchange; access from Cockrell Hill to northbound Loop 12 is indirect via Exchange Service Road
Spur 408 (Patriot Parkway) to I-20 / Illinois Avenue / Mountain Creek Parkway interchange; south (counterclockwise) end of freeway; northbound access to Spur 408 is indirect via Illinois Avenue
Keeneland Parkway
SH 180 (Davis Street) / Jefferson Boulevard Former US 80
Frontage Road southbound (counterclockwise) exit only
I-30 (Tom Landry Freeway) – Dallas, Fort Worth I-30 exit 38
Singleton Boulevard
Irving Shady Grove Road
SH 356 / Irving Boulevard
Union Bower Road
Grauwyler Road
SH 183 (Airport Freeway) – Fort Worth, Dallas, DFW Airport no access from Loop 12 south (counterclockwise) to SH 183 east
SH 114 (John W. Carpenter Freeway) / Texas Plaza – DFW Airport, Grapevine
Dallas Spur 348 west (Northwest Highway) interchange; north (clockwise) end of freeway
I-35E (Stemmons Freeway / US 77) – Denton, Dallas I-35E exits 436A-B
Spur 482 (Storey Lane) – Irving interchange
Loop 354 (Harry Hines Boulevard) interchange
Marsh Lane / Lemmon Avenue interchange
Dallas North Tollway
University ParkDallas line SH 289 north (Preston Road)
Dallas US 75 (N. Central Expressway) US 75 exit 5A
Skillman Street interchange
Spur 244 east (Northwest Highway) – Garland
East Lawther Drive interchange; no direct northbound (counterclockwise) exit
Peavy Road / Mockingbird Lane interchange
SH 78 (Garland Road)
Ferguson Road interchange
I-30 (R.L. Thornton Freeway / US 67) / US 80 I-30 exit 53A
Military Parkway interchange
SH 352 (Scyene Road) interchange
US 175 (C.F. Hawn Freeway) interchange
Service Road interchange
SH 310 (S.M. Wright Freeway) interchange
I-45 (Julius Schepps Freeway) – Houston, Dallas, McKinney I-45 exit 279
SH 342 south (Lancaster Road) – Lancaster
I-35E (R.L. Thornton Freeway / US 77) – Waxahachie, Dallas I-35E exit 421
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


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