Oregon Route 551

Oregon Route 551 (OR 551) is an Oregon state highway that runs between the cities of Wilsonville and Hubbard. It is known as the Wilsonville-Hubbard Highway No. 51 (see Oregon highways and routes) and is also called the "Hubbard Cutoff." It is 5.94 miles (9.56 km) long, and is a two-lane limited access highway for its entire length.

The designation as OR 551 is a recent addition; for a long time this route did not have a signed route number. In 2002, the Oregon Department of Transportation (ODOT) began assigning route numbers to highways that did not previously have route numbers. As the internal ODOT number assigned this route was already used by OR 51, the number 5 was prefixed to form 551.