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  2. Controlled-access highway - Wikipedia

    en.wikipedia.org/wiki/Controlled-access_highway

    [3] [4] Italy opened its first autostrada in 1924, A8, connecting Milan to Varese. Germany began to build its first controlled-access autobahn without speed limits (30 kilometres [19 mi] on what is now A555, then referred to as a dual highway) in 1932 between Cologne and Bonn. It then rapidly constructed the first [5] nationwide system of such ...

  3. United States Numbered Highway System - Wikipedia

    en.wikipedia.org/wiki/United_States_Numbered...

    [citation needed] The reverse happened with U.S. Route 57, originally a Texas state highway numbered to match Mexican Federal Highway 57. [9] In the 1950s, the numbering grid for the new Interstate Highway System was established as intentionally opposite from the US grid insofar as the direction the route numbers increase.

  4. List of Interstate Highways - Wikipedia

    en.wikipedia.org/wiki/List_of_Interstate_Highways

    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.

  5. Interchange (road) - Wikipedia

    en.wikipedia.org/wiki/Interchange_(road)

    Interchanges are almost always used when at least one road is a controlled-access highway (freeway) or a limited-access highway (expressway), though they are sometimes used at junctions between surface streets. An aerial view of the Lakalaiva interchange in the Tampere Ring Road between the Highway 3 and Highway 9 near city of Tampere

  6. U.S. Route 7 - Wikipedia

    en.wikipedia.org/wiki/U.S._Route_7

    U.S. Route 7 (US 7) is a north–south United States Numbered Highway in western New England that runs for 308 miles (496 km) through the states of Connecticut, Massachusetts, and Vermont. The highway's southern terminus is at Interstate 95 (I-95) exit 15 in Norwalk, Connecticut .

  7. Limited-access road - Wikipedia

    en.wikipedia.org/wiki/Limited-access_road

    The Veterans Memorial Parkway in London, Ontario is a modern at-grade limited-access road with intersections. A limited-access road, known by various terms worldwide, including limited-access highway, dual-carriageway, expressway, and partial controlled-access highway, is a highway or arterial road for high-speed traffic which has many or most characteristics of a controlled-access highway ...

  8. List of auxiliary Interstate Highways - Wikipedia

    en.wikipedia.org/wiki/List_of_auxiliary...

    Auxiliary Interstate Highways (also called three-digit Interstate Highways) are a subset of highways within the United States' Interstate Highway System.The 323 auxiliary routes generally fall into three types: spur routes, which connect to or intersect the parent route at one end; bypasses, which connect to the parent route at both ends; and beltways, which form a circle that intersects the ...

  9. California Freeway and Expressway System - Wikipedia

    en.wikipedia.org/wiki/California_Freeway_and...

    The following is a list of roads defined by the Streets and Highways Code, sections 250–257, as part of the California Freeway and Expressway System. [1] Some of the routes listed may still be in the planning stages of being fully upgraded to freeways or expressways. State Route 1 (part) State Route 2 (part) State Route 3 (part) State Route 4 ...