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Minimum lane width: The minimum lane width is 12 feet (3.7 m), identical to most US and state highways. Shoulder width: The minimum width of the left paved shoulder is 4 feet (1.2 m), and of the right paved shoulder 10 feet (3.0 m). With three or more lanes in each direction, both shoulders are to be at least 10 feet (3.0 m) wide.
This section of highway was for many years marked as US 3 and "To I-93", but these have now been replaced with regular I-93 signs. The Federal Highway Act of 1973 exempts this 7.6-mile (12.2 km) stretch from the Interstate Highway standards that apply elsewhere, and this highway is considered to be I-93 for all practical purposes. [19]
There are 71 primary Interstate Highways in the Interstate Highway System, a network of freeways in the United States. 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 ...
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An even hundreds digit means the route connects at both ends, which could be a bypass route (which has two termini) (see I-210 and I-810 in image) or a radial route (known also as a beltway, beltline, or circumferential route) (see I-610 in image). Auxiliary Interstate Highways are circumferential, radial, or spur highways that principally ...
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Lighter Side. Politics. Science & Tech. Sports. Weather. 24/7 Help. ... Two dead in separate collisions involving motorcycles along Interstate 90 and Route 6. Gannett. Tim Hahn, Erie Times-News.
Generally, the minimum-width standard for a WOL in the US is 14 feet (4.3 m). [1] A wide outside through lane (WOTL) is a WOL that is intended for use by through traffic. Conversely, a narrow lane is a lane that is too narrow to be safely shared side by side by a bicycle and a motor vehicle.