County Road 340 (Rio Arriba County, New Mexico)
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Length2.8 mi[1] (4.5 km)
CountryUnited States
| Route information | |
|---|---|
| Length | 2.8 mi[1] (4.5 km) |
| Major junctions | |
| South end | |
| North end | |
| Location | |
| Country | United States |
| State | New Mexico |
| County | Rio Arriba |
| Highway system | |
| |
County Road 340 (CR 340) is a 2.8-mile (4.5 km) county road in Rio Arriba County, New Mexico, United States, that connects New Mexico State Road 531 (NM 531) and NM 572 in La Puente with NM 514 in Los Ojos.

CR 340 begins at a T-intersection with NM 531 and NM 572 in the unincorporated community of La Puente.[1]
From its southern terminus CR 340 heads northeasterly as a two-lane asphalt paved road southeast of, but roughly parallel to, the Rio Chama. About 2.8 miles (4.5 km) from its southern terminus, CR 340 reaches its northern terminus at a T-intersection with NM 514 (Main Street) in Los Ojos.[1]
Major intersections
The entire route is in Rio Arriba County.
| Location | mi | km | Destinations | Notes | |
|---|---|---|---|---|---|
| La Puente | 0.0 | 0.0 | Western terminus; T-intersection; roadway continues eastward as NM 531 | ||
| Los Ojos | 2.8 | 4.5 | Eastern terminus; T-intersection | ||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||