US-20 west approaching US-101, its western terminus. US-20 starts in Boston, Massachusetts, and at 3365 miles is the longest route in the United States.
US-101 North at Western End of US-20
Begin US-20 east to Toledo and Corvallis on US-101 north.
OR-18 west approaching US-101. Use US-101 for Lincoln City and Tillamook. This is the western end of OR-18.
US-101 North approaching OR-18 East
US-101 north to Neskowin approaching OR-18 junction.
US-101 North at OR-18 East
US-101 north to Tillamook and Astoria at OR-18 east to Portland and Salem.
US-101 North at OR-18
US-101 North at OR-18 East to Salem and Portland. Continue north on US-101 to Tillamook and Astoria. The US-101 shield is incorrectly using the state highway shield style.