Oregon Route 203 is an Oregon

Oregon

Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...

 state highway

State highway

State highway, state road or state route can refer to one of three related concepts, two of them related to a state or provincial government in a country that is divided into states or provinces :#A...

 running from Interstate 84

Interstate 84 in Oregon

In the U.S. state of Oregon, Interstate 84 travels east–west, following the Columbia River and the rough path of the old Oregon Trail from Portland east to Idaho. For this reason, it is also known as most of the Columbia River Highway No. 2 and all of the Old Oregon Trail Highway No. 6 . It...

 near La Grande

La Grande, Oregon

-Demographics:As of the census of 2000, there were 12,327 people, 5,124 households, and 2,982 families residing in the city. The population density was 2,833.5 people per square mile . There were 5,483 housing units at an average density of 1,260.3 per square mile...

 to I-84 near Baker City

Baker City, Oregon

Baker City is a city in and the county seat of Baker County, Oregon, United States. It was named after Edward D. Baker. The population was 9,828 at the 2010 census.-History:...

. OR 203 is composed of part of the La Grande-Baker Highway No. 66 (see Oregon highways and routes) and the Medical Springs Highway No. 340. It is a combined 49.23 miles (79.2 km) long and runs north–south.

Route description

OR 203 begins at an intersection with I-84 and U.S. Route 30 near La Grande. It heads southeast through Hot Lake

Hot Lake, Oregon

Hot Lake is an unincorporated community in Union County, Oregon, United States. Hot Lake has an elevation of 2703 feet . It is located about ten miles east of La Grande, and seven miles northwest of Union....

 to Union

Union, Oregon

Union is a city in Union County, Oregon, United States. The population was 1,926 at the 2000 census.- History :Union was platted on November 11, 1864 along the Oregon Trail. The name references the Union states, or Northern States, of the American Civil War....

, where it overlaps OR 237

Oregon Route 237

Oregon Route 237 is an Oregon state highway running from OR 82 in Island City to Interstate 84 and U.S. Route 30 in North Powder. OR 237 is composed of the Cove Highway No. 342 and part of the La Grande-Baker Highway No. 66...

 for 0.58 mile (0.9334172 km). After the concurrency ends, OR 203 continues southeast to Medical Springs

Medical Springs, Oregon

Medical Springs is an unincorporated community in Union County, Oregon, United States. It is located near the southern extremity of Union County on Oregon Route 203, just outside Wallowa-Whitman National Forest. It is twenty miles southeast of Union and twenty-four miles northeast of Baker City...

, 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 near Baker City. Current Department of Transportation

Oregon Department of Transportation

The Oregon Department of Transportation is a department of the state government of the U.S. state of Oregon responsible for systems of transportation. It was first established in 1969. It had been preceded by the Oregon State Highway Department which, along with the Oregon State Highway...

 charts, however, suggest that this description is outdated.

Major intersections

Highway	Milepost	City	Intersection
La Grande-Baker	5.36	La Grande La Grande, Oregon -Demographics:As of the census of 2000, there were 12,327 people, 5,124 households, and 2,982 families residing in the city. The population density was 2,833.5 people per square mile . There were 5,483 housing units at an average density of 1,260.3 per square mile...	Interstate 84 Interstate 84 in Oregon In the U.S. state of Oregon, Interstate 84 travels east–west, following the Columbia River and the rough path of the old Oregon Trail from Portland east to Idaho. For this reason, it is also known as most of the Columbia River Highway No. 2 and all of the Old Oregon Trail Highway No. 6 . It...  and U.S. Route 30
La Grande-Baker	15.93	Union Union, Oregon Union is a city in Union County, Oregon, United States. The population was 1,926 at the 2000 census.- History :Union was platted on November 11, 1864 along the Oregon Trail. The name references the Union states, or Northern States, of the American Civil War....	OR 237 Oregon Route 237 Oregon Route 237 is an Oregon state highway running from OR 82 in Island City to Interstate 84 and U.S. Route 30 in North Powder. OR 237 is composed of the Cove Highway No. 342 and part of the La Grande-Baker Highway No. 66...  (Begin concurrency)
La Grande-Baker / Medical Springs	16.51 / 0.00	Union	OR 237 (End concurrency)
Medical Springs	38.94	Baker City Baker City, Oregon Baker City is a city in and the county seat of Baker County, Oregon, United States. It was named after Edward D. Baker. The population was 9,828 at the 2010 census.-History:...	I-84

OR 203 begins at milepost 5.36 and restarts mileposts at Union because Oregon numbers mileposts along highways.

Related routes

• I-84
• US 30
• OR 237
• OR 86