New Mexico State Road 309
|Maintained by NMDOT|
|Length||2.432 mi (3.914 km)|
|West end||I-25 Bus. in Belen|
|East end||NM 47 near Belen|
State Road 309 (NM 309) is a 2.4-mile-long (3.9 km) state highway in the US state of New Mexico. NM 309's western terminus is at Interstate 25 Business (I-25 Bus.) in Belen, and the eastern terminus is at NM 47 east of Belen.
The entire route is in Valencia County.
|Belen||0.000||0.000||I-25 Bus.||Western terminus|
|0.905||1.456||NM 109 south||Northern terminus of NM 109|
|||2.432||3.914||NM 47||Eastern terminus|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi|
- "Posted Route: Legal Description" (PDF). New Mexico Department of Transportation. March 16, 2010. p. 91. Retrieved October 10, 2018.
- "TIMS Road Segments by Posted Route/Point with AADT Info; NM, X-Routes" (PDF). New Mexico Department of Transportation. April 3, 2013. pp. 5–7. Retrieved December 20, 2013.