Oregon Route 203
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Oregon Route 203 is an
Oregon Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...
state highway A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either ''numbered'' or ''maintained'' by a sub-national state or province. A road numbered by a ...
running from Interstate 84 near La Grande to I-84 near
Baker City Baker City is a city in and the county seat of Baker County, Oregon, Baker County, Oregon, United States. It was named after Edward Dickinson Baker, Edward D. Baker, the only United States Senate, U.S. Senator ever killed in military combat. The p ...
. OR 203 is composed of part of the
La Grande-Baker Highway In the U.S. state of Oregon, U.S. Route 30, a major east–west U.S. Highway, runs from its western terminus in Astoria to the Idaho border east of Ontario. West of Portland, US 30 generally follows the southern shore of the Columbia Ri ...
No. 66 (see
Oregon highways and routes The state highway system of the U.S. state of Oregon is a network of highways that are owned and maintained by the Highway Division of the Oregon Department of Transportation (ODOT). Highways and routes The state highway system consists of abo ...
) and the Medical Springs Highway No. 340. It is a combined long and runs north–south.


Route description

OR 203 begins at an intersection with I-84 and
U.S. Route 30 U.S. Route 30 or U.S. Highway 30 (US 30) is an east–west main route in the system of the United States Numbered Highways, with the highway traveling across the northern tier of the country. With a length of , it is the third longest ...
near La Grande. It heads southeast through Hot Lake to
Union Union commonly refers to: * Trade union, an organization of workers * Union (set theory), in mathematics, a fundamental operation on sets Union may also refer to: Arts and entertainment Music * Union (band), an American rock group ** ''Un ...
, where it overlaps OR 237 for . After the concurrency ends, OR 203 continues southeast to Medical Springs, then turns south, southwest, and west to an intersection with I-84 near Baker City, where it ends. The official description of OR 203 indicates that it ends at an intersection with
OR 86 Oregon Route 86 is an Oregon state highway running from Interstate 84 at Baker City to the Idaho state line at Oxbow (near the former site of Copperfield). OR 86 comprises most of the Baker-Copperfield Highway No. 12 (see Oregon highways and ro ...
near Baker City. Current Department of Transportation charts, however, suggest that this description is outdated.


History

Highway 203 was first opened in 1935. Over the decades that followed, various sections of Catherine Creek southeast of Union were channelized to avoid impinging on the roadway. This area of Catherine Creek has recently been the focus of restoration efforts, since some sections support high populations of threatened anadromous fish.


Major intersections


References

{{reflist 203 Transportation in Baker County, Oregon Transportation in Union County, Oregon