中央分離帯アメリカ合衆国

A median strip is a longitudinal area that separates two roadways, usually carrying traffic in opposite directions.

Not necessarily. A median is normally a physically distinguishable area or structure, while painted centre lines simply separate traffic using road markings.

A median may consist of grass, paving, kerbs, safety barriers, vegetation or another physical separation between roadways.

They help separate opposing traffic flows, reduce conflicts between vehicles travelling in opposite directions and provide space for barriers, signs, lighting or other road infrastructure.

Only where a legal crossing or opening is provided and the applicable traffic rules permit the movement. Drivers should never cross a physical median simply to change direction or take a shortcut.

Yes. Openings may be provided for intersections, turning movements, emergency services, maintenance or other authorised traffic.

This depends on local law, but parking on a median is commonly prohibited or restricted because it may create danger or obstruct visibility and traffic.

Some medians contain a pedestrian refuge specifically designed to allow people to cross a road in stages. Other medians may not be intended for pedestrian use.

It can be. A median may contain a safety barrier designed to reduce the risk of vehicles crossing into opposing traffic.

Yes. A road with a median commonly has two separate roadways, one for each direction of traffic.

The road layout normally separates the traffic directions, but drivers must still follow the traffic signs, lane markings and directional rules applying to each roadway.

No. An emergency lane or shoulder runs alongside a roadway, while a median strip separates roadways from each other.