American Highway Code US Route 30 History
. In the original (October 30, 1925) plan for the system, US 30 ran from Salt Lake City, Utah to Atlantic City (New Jersey). West of Philadelphia (Pennsylvania), this was designated largely all along the Lincoln Highway, as part of a promise to the Lincoln Highway Association to assign a lone number to their road as much as possible.
. The West of Salt Lake City, U.S. Route 40 which has been continued from San Francisco (California), although it ran further north than the Lincoln Highway east of Wadsworth (Nevada) and west of Sacramento (California).
. Around 1931, a split in Ohio was designated, from Delphos east to Mansfield. The original US 30 was assigned U.S. Route 30S, and a straighter route became U.S. Route 30N. US 30S was eliminated ca. 1975, putting US 30 on former US 30N.
. US 30 were rerouted ca. 1931 to bypass Omaha (Nebraska) and Council Bluffs (Iowa) to the north. The former route, as of Fremont (Nebraska) to Missouri Valley (Iowa) was designated U.S. Route 30S. Ca. 1934 it was truncated to Omaha and ca. 1939 has been removed.
. There is a signed US 30 "Bypass" here at metropolitan Portland and they begin at the St. John's Bridge, following (more or less) Lombard Street in North Portland, continuing along Sandy Blvd, and it rejoins the I-84/US-30 route in the center of the town of Wood Village.
. Junctions with I-5, US-30 at the St. John's Bridge as well as I-205 are all signed with "US-30 BYPASS" markers. There is also a US 30 Business running from I-205 and US 30 Bypass along Sandy Blvd, would rejoin the mainline 30 in the Hollywood district, even if the connection at 33rd Avenue is not clearly marked.
. Wyoming had requested to end up US 30 in Salt Lake City, but Idaho and Oregon refused. What is now US 30 through those states (west of Burley(Idaho) ) had been nominated as part of U.S. Route 20, another transcontinental route, however it took a detour to the north all the way through Yellowstone National Park, making it inaccessible during the winter season. The states has been agreed to take US 30 along with the route, splitting on or after the route towards the Salt Lake City at Granger, Wyoming and running along what had been designated as U.S. Route 530. That number had been reused towards the spur for Salt Lake City.
. The planned US 530 had ended up in U.S. Route 91 at McCammon (Idaho), where the new US 30 turned north to Pocatello, meeting the planned US 20. (US 20 was truncated to Yellowstone but later extended along with its own route to the Pacific Ocean.) What had been designated as U.S.?
. Route 630, from US 30 at Echo, Utah to Ogden, has to be extended from east on former US 30 to US 30 at Granger and northwest on US 91 and it has been designated U.S. Route 191 to US 30 at Burley.Utah objected to that plan, so they removed US 30 from that state, giving them only US 630, a branch.Finally the compromise was reached, where the US 630 route should be the main line of US 30 once improved to higher standards, still that wasn't quite perfect. So, in the final system, a split has been approved between Burley, Idaho and Granger, Wyoming, with U.S.
. Route 30N running along what was to be US 30, and U.S. Route 30S took over the route all the way through Utah (planned as US 630). During the final plan (November 11, 1926), the route towards Salt Lake City became U.S. Route 530 and ends at U.S. Route 40 in Kimball Junction, Utah.
