Farm to Market Road 1938 (FM 1938) is a Farm to Market Road in the US state of Texas. The highway runs from State Highway 26 (SH 26) to FM 1709, in Tarrant County. While located in Westlake, FM 1938 is named Precinct Line Road. While located in Southlake, from the northern border of Southlake to its junction with FM 1709, FM 1938 is named Randol Mill Avenue, and from the FM 1709 intersection to its southern terminus, the highway is named Davis Boulevard. FM 1938 was designated in 1952, in Hockley County, but was cancelled and redesignated in 1955, at its modern location in Tarrant County. In 1995, the entire route of FM 1938 was redesignated as Urban Road 1938 (UR 1938) by the Texas Department of Transportation (TxDOT). FM 1938 passes through central North Richland Hills and Southlake, pro