Oregon Route 331

Oregon Route 331
Route information
Maintained by ODOT
Length:	4.84 mi (7.79 km)
Existed:	2003 – present
Major junctions
South end:	I-84 / US 30 near Mission
North end:	OR 11 near Mission
Highway system
Oregon Highways Interstate US State Named Scenic ← OR 293 OR 332 →

Oregon Route 331 is an Oregon state highway running from OR 11 near Mission to Interstate 84 near Mission. OR 331 is known as the Umatilla Mission Highway No. 331 (see Oregon highways and routes). It is 4.84 miles (7.79 km) long and runs north–south, entirely within Umatilla County.

OR 331 was established in 2003 as part of Oregon's project to assign route numbers to highways that previously were not assigned.

Route description

OR 331 begins at an intersection with OR 11 about four miles (6 km) northeast of Pendleton and heads south onto the Umatilla Indian Reservation, through Mission, to an intersection with Interstate 84 and US 30, where it ends.

History

OR 331 was assigned to the Umatilla Mission Highway in 2003.

Major intersections

The entire route is in Umatilla County.

Location	mi	km	Destinations	Notes
​	0.00	0.00	OR 11
Mission	4.84	7.79	I-84 / US 30
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

• Oregon Department of Transportation, Descriptions of US and Oregon Routes, http://www.oregon.gov/ODOT/HWY/TRAFFIC/TEOS_Publications/PDF/Descriptions_of_US_and_Oregon_Routes.pdf, page 29.
• Oregon Department of Transportation, Umatilla Mission Highway No. 331, ftp://ftp.odot.state.or.us/tdb/trandata/maps/slchart_pdfs_1980_to_2002/Hwy331_2001.pdf