Texas State Highway Loop 178 is a 3/4 Loop that runs a semi-circle around North Texas

North Texas

North Texas is a distinct cultural and geographic area forming the central-northeastern section of the U.S. state of Texas. North Texas is generally considered to include the area south of Oklahoma, east of Abilene, and north of Waco...

 city of Commerce, Texas

Commerce, Texas

Commerce is a city in Hunt County, Texas, United States, located in rural East Texas. The population was 7,669 at the 2000 census, however recent growth and its proximity to Interstate 30 and the eastern Metroplex has put the population around 9750...

. It was constructed in the late 1970's to create a quicker way for residents travelling into Commerce from the East via Texas State Highway 11. Upon entrance into Commerce from the East, it veers to the left and intersects with FM 3218, then runs right beside the far eastern part of the Campus of Texas A&M University-Commerce, before intersecting with the joint road of Texas State Highway 24 and Texas State Highway 50. It then crosses over to the far northwestern part of Commerce where it reaches it's terminus at Texas State Highway 224

Texas State Highway 224

State Highway 224 or SH 224 is a Texas state highway running from Greenville northeast to Commerce. The route was designated in 1979 as a renumbering of a portion of SH 24 when it was rerouted southward from Commerce along SH 50.-Previous Routes:...

, the Commerce to Greenville

Greenville, Texas

Greenville is the county seat, and the largest city, of Hunt County, Texas, in the United States. As of the 2010 census, the city population was 25,557....

Highway. The length of the loop is roughly 4.5 miles.