6. Later Routes‎ > ‎

900.010 U.S. 30 "Water Level Route"

US 30 runs mostly along I-84 in Oregon east of Portland, diverting to short segments of the old surface route to act as a business route or scenic route for I-84:

The sections concurrent with I-84 are part of the Columbia River Highway No. 2 west of U.S. Route 730 at Boardman and part of the Old Oregon Trail No. 6 east of U.S. Route 730.

There is also a U.S. Route 30 Business signed in the Ontario area. This is part of the Olds Ferry-Ontario Highway No. 455.

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