Road junction types

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road junction where two or more roads either meet or cross at grade

road junction, typically using grade separation

type of road interchange

road markings at road junctions allowing certain types of vehicle a head start

location where multiple roads intersect that allows vehicular traffic to change from one road to another

road-vehicular manoeuvre for turning across lanes of opposing traffic

place where three roads go from a point into three directions (may be formed for example as letter T or letter Y)

road traffic control measure

alternative freeway interchange design which offers reduced conflict points

road either unused/no longer used, or closed due to some reasons

common type of road junction

thumb|A jughandle intersection (Type A in New Jersey) where turning traffic is diverted away from the main intersection to a slip road

Right-in/right-out (RIRO) and left-in/left-out (LILO) refer to a type of three-way road intersection where turning movements of vehicles are restricted. A RIRO permits only right turns and a LILO permits only left turns. "Right-in" and "left-in" refer to turns from a main road into an intersection (or a driveway or parcel); "right-out" and "left-out" refer to turns from an intersection (or a driveway or parcel) to a main road. RIRO is typical when vehicles drive on the right, and LILO is usual where vehicles drive on the left. This is because minor roads usually connect to the outsides of two-

type of intersection

intersection system

an at-grade road junction in which cyclists and pedestrians are separated from motorists