State Highway 170 or SH 170, also known as the Alliance Gateway Freeway, is a Texas state highway in the northern suburbs of Fort Worth. The highway was designated in 1988.

The North Texas Tollway Authority

North Texas Tollway Authority

The North Texas Tollway Authority maintains and operates toll roads, bridges and tunnels in the North Texas area. Functioning as a political subdivision of the State of Texas under Chapter 366 of the Transportation Code, the NTTA is empowered to acquire, construct, maintain, repair and operate...

 plans to build tolled main lanes by 2015 and will ultimately extend the highway west to SH 199.

Previous routes

SH 170 was originally designated by 1933 as a connector route from the Oklahoma border west to US 60 and US 87 near Canadian

Canadian, Texas

Canadian is the county seat of Hemphill County, Texas, United States. The population was 2,233 at the 2000 census. It is named for the Canadian River, a tributary of the nearby Arkansas River. Canadian is sometimes called "the oasis of the Texas Panhandle."-History:The trails along the river are...

. This route was redesignated as SH 33 in 1955 to conincide with OK 33, with which it connects.

Junction List

County	Location	Destinations	Notes
Tarrant Tarrant County, Texas Tarrant County is a county located in the U.S. state of Texas. As of the 2010 U.S. Census, it had a population of 1,809,034. Its county seat is Fort Worth. Tarrant County is the sixteenth most populous county in the United States and the third most populous in Texas. The county is named in honor...	Fort Worth Fort Worth, Texas Fort Worth is the 16th-largest city in the United States of America and the fifth-largest city in the state of Texas. Located in North Central Texas, just southeast of the Texas Panhandle, the city is a cultural gateway into the American West and covers nearly in Tarrant, Parker, Denton, and...
		Old Denton Road
		Alta Vista Drive, Keller-Haslet Road
		Haslet-Roanoke Road
		Eagle Park South
		Independence Parkway
		Victory Lane
	Westlake Westlake, Texas Westlake is a town in Denton and Tarrant Counties in the U.S. state of Texas. The population is 702 as of the 2010 United States Census.The area known as Westlake was originally settled in 1847 by Charles and Matilda Medlin with about 20 other families. In the mid-twentieth century, now-Westlake...
Denton Denton County, Texas Denton County is a county located in the U.S. state of Texas. In 2000, its population was 432,976; in 2009 the estimated population had reached 628,300. Part of the Dallas – Fort Worth Metroplex, it is one of the fastest-growing counties in the United States. The county seat is Denton. The county...		Roanoke Road
		Roanoke Main Street, J.T. Ottinger Road
			Eastbound exit and westbound entrance