Farm to Market Road 400
| Route information | ||||
|---|---|---|---|---|
| Maintained by TxDOT | ||||
| Length | 85.417 mi (137.465 km) | |||
| Existed | 1945–present | |||
| Major junctions | ||||
| South end | US 87 north of Tahoka | |||
| North end | FM 145 east of Kress | |||
| Location | ||||
| Country | United States | |||
| State | Texas | |||
| Counties | Lynn, Lubbock, Hale, Swisher | |||
| Highway system | ||||
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Farm to Market Road 400 (FM 400) is a farm to market road located in Lynn, Lubbock, Hale, and Swisher counties in the Llano Estacado of Texas.