Farm to Market Road 400 is a farm to market road located in Lynn, Lubbock, Hale, and Swisher counties in the Llano Estacado of Texas.
FM 400 passing through Yellow House Canyon of Lubbock County, Texas.
In the U.S. state of Texas, U.S. Highway 87 is a north–south U.S. Highway that begins near the Gulf Coast in Port Lavaca, Texas and heads north through San Antonio, Lubbock, Amarillo, and Dalhart to the New Mexico state line near Texline.
First route marker for northbound US 87 in Port Lavaca