| State | MO |
|---|---|
| Route | 142 |
| Length | 122.328 mi |
| Direction b | West |
| Terminus b | in Bakersfield |
| Junction |
|
| Direction a | East |
| Terminus a | in Poplar Bluff |
| Previous route | 141 |
| Next route | 143 |
Route 142 is a highway in southern Missouri. Its eastern terminus is at Route 53 in southern Poplar Bluff; its western terminus is at Route 101 in Bakersfield. Route 142 is the southernmost east–west highway in the south-central part of the state. Despite its length, there are relatively few towns on the route.