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  2. List of state routes in Illinois - Wikipedia

    en.wikipedia.org/wiki/List_of_state_routes_in...

    During the middle part of the 20th century the state numbered routes expanded to new roads around the state. When the United States Numbered Highway System was introduced in the late 1920s many of the new US Routes were already part of the state system and the US number was just added to signposts.

  3. Illinois State Highway System - Wikipedia

    en.wikipedia.org/wiki/Illinois_State_Highway_System

    The State Highway System was created in 1918 with the first State Bond Issue (SBI) Routes, 1 through 46. Bonds were floated to pay for specific routes. SBI # 1 paid for Route 1, and so on.

  4. Dual carriageway - Wikipedia

    en.wikipedia.org/wiki/Dual_carriageway

    A dual carriageway or a divided highway is a class of highway with carriageways for traffic travelling in opposite directions separated by a central reservation (BrE) or median (AmE). Roads with two or more carriageways which are designed to higher standards with controlled access are generally classed as motorways , freeways, etc., rather than ...

  5. List of U.S. Highways in Illinois - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._Highways_in...

    Ronald Reagan Highway / Northwest Highway US 20: 233.93: 376.47 US 20 in East Dubuque: US 12/US 20/US 41 in Chicago: 1926: current Ulysses S. Grant Memorial Highway US 24: 255.13: 410.59 US 24 in Quincy: US 24/US 52 in Sheldon: 1926: current US 30: 153.79: 247.50 US 30 in Fulton: US 30 in Lynwood: 1926: current US 32 — — US 6 at Moline

  6. Road hierarchy - Wikipedia

    en.wikipedia.org/wiki/Road_hierarchy

    Most of these are single-carriageway 2 lane roads but a few of them are 4 lane dual-carriageway. E: These are main roads which go through multiple villages and small towns and are built similarly to B roads. A few of them can also be 4 lane dual-carriageways. F: The small village roads which normally only serve 1 or a few villages.

  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. Fewer than one in 10 A-road miles are dual-carriageway in ...

    www.aol.com/fewer-one-10-road-miles-000100617.html

    But five London boroughs are in the same category, such as Islington (5.2%), Sutton (5.8%) and Lambeth (8.9%). The proportion of A-road miles that are dual-carriageway across Britain barely ...

  9. Controlled-access highway - Wikipedia

    en.wikipedia.org/wiki/Controlled-access_highway

    Despite popular opinion that "freeway" means a road with at least two carriageways, single carriageway freeways exist, as is evidenced by the statement that "[South Africa's] roads include 1,400 km (870 mi) of dual carriageway freeway, 440 km (270 mi) of single carriageway freeway and 5,300 km (3,300 mi) of single carriage main road with ...