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  2. Two-lane expressway - Wikipedia

    en.wikipedia.org/wiki/Two-lane_expressway

    The Plimoth Patuxet Highway in Massachusetts is a two-lane divided freeway. A two-lane expressway or two-lane freeway is an expressway or freeway with only one lane in each direction, and usually no median barrier. It may be built that way because of constraints, or may be intended for expansion once traffic volumes rise.

  3. Controlled-access highway - Wikipedia

    en.wikipedia.org/wiki/Controlled-access_highway

    The Plimoth Patuxet Highway in Massachusetts is a two-lane divided freeway. A controlled access highway may be two lanes known as a two-lane expressway. They are often undivided, are sometimes built when traffic volumes are low (but may be upgraded later), right-of-way is limited or due to low funding.

  4. Glossary of road transport terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_road_transport...

    see highway hypnosis. Wide two lane. See super two. Wildlife crossing A structure built to allow animals to cross a road safely. Work area or work zone. See construction area. Wrong-way concurrency A concurrency between two roads with opposite signed directions, e.g. a westbound highway and an eastbound highway. Often, the physical roadbed is ...

  5. Lane - Wikipedia

    en.wikipedia.org/wiki/Lane

    A passing lane (North American English), overtaking lane (English outside North America) is a lane on a multi-lane highway or motorway closest to the median of the road (the central reservation) used for passing vehicles in other lanes. (North American usage also calls the higher-speed lane nearest the median the "inside lane" but in the United ...

  6. Dual carriageway - Wikipedia

    en.wikipedia.org/wiki/Dual_carriageway

    strada extraurbana principale (meaning main highway) or type-B road: a road with separate carriageways, at least two lanes for each direction, paved shoulder on the right and no cross-traffic. This type of road is quite similar to an autostrada or type-A road (Italian official name for motorways or freeways ), but its building standards are lower.

  7. Road hierarchy - Wikipedia

    en.wikipedia.org/wiki/Road_hierarchy

    strada extraurbana principale (meaning main highway) or type-B road: a road with separate carriageways, at least two lanes for each direction, paved shoulder on the right and no cross-traffic. This type of road is quite similar to an autostrada or type-A road (Italian official name for motorways or freeways ), but its building standards are lower.

  8. 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 ...

  9. Merge (traffic) - Wikipedia

    en.wikipedia.org/wiki/Merge_(traffic)

    Generally speaking, at a slip road onto a controlled-access highway or otherwise, traffic on the highway has priority over traffic joining at the slip road, and therefore the slip road traffic should accelerate to the speed on the major road and merge into a gap in the stream of traffic in lane one. At some slip roads, traffic continues into a ...