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The Pershing Map FDR's hand-drawn map from 1938. The United States government's efforts to construct a national network of highways began on an ad hoc basis with the passage of the Federal Aid Road Act of 1916, which provided $75 million over a five-year period for matching funds to the states for the construction and improvement of highways. [8]
After the national implementation of the Interstate Highway System, many U.S. Routes that had been bypassed or overlaid with Interstate Highways were decommissioned and removed from the system. In some places, the U.S. Routes remain alongside the Interstates and serve as a means for interstate travelers to access local services and as secondary ...
A map of the Strategic Highway Network, one component of the NHS Map of average freight truck traffic on the NHS in 2015. According to the Federal Highway Administration, the 160,000-mile (260,000 km) National Highway System includes roads important to the United States' economy, defense, and mobility, from one or more of the following road networks (specific routes may be part of more than ...
This file has been superseded by Map of current U.S. Routes ... superseded images ... U.S. Routes; United States Numbered Highway System; User:Vigneshdm1990/sandbox ...
These primary highways are assigned one- or two-digit route numbers, whereas their associated auxiliary Interstate Highways receive three-digit route numbers. Typically, even-numbered Interstates run east–west, with lower numbers in the south and higher numbers in the north; odd-numbered Interstates run north–south, with lower numbers in ...
This file requires updating because: Multiple interstates and future interstate are missing. In doing so, you could add a timestamp to the file. Please notify the uploader with {{subst:update-note|1=File:Map of current Interstates.svg|2= Multiple interstates and future interstate are missing.}} ~~~~
highest number currently used in system; shortest highway in the system US 789 — — — — — — Proposed, but never commissioned US 830: 209: 336 US 101 northeast of Ilwaco, WA: US 97 north of Maryhill, WA: 1926: 1968 Intrastate, Washington only; now SR 14, I-5 (former US 99), SR 432, and SR 4