 Oregon Route 203 | ||||
|---|---|---|---|---|
 Route 203 highlighted in red | ||||
| Route information | ||||
| Maintained by ODOT | ||||
| Length | 49.23 mi (79.23 km) | |||
| Existed | 1935–present | |||
| Major junctions | ||||
| South end |  I-84 in Baker City | |||
 OR 237 in Union | ||||
| North end |  I-84 / US 30 in La Grande | |||
| Location | ||||
| Country | United States | |||
| State | Oregon | |||
| Counties | Baker, Union | |||
| Highway system | ||||
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Oregon Route 203 is an Oregon state highway running from Interstate 84 near La Grande to I-84 near Baker City. 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 (79.23 km) long and runs north–south.