Width Median strip

the wide median strip in main st, bairnsdale, victoria, australia has been made garden feature of town.

the median strip in united kingdom (where known central reservation) , other densely populated european countries (where known local names) no wider single lane of traffic. in cases, however, extended. instance, if road running through hilly terrain, carriageways may have built on different levels of slope. example of on m5 motorway climbs side of gordano valley south of bristol.

two examples on uk road network carriageways several hundred yards/meters apart, on section of m6 between shap , tebay, allows local road run between them, , on m62 highest section through pennines famously splits wide enough contain farm. other major exception a38(m) aston expressway, single carriageway of 7 lanes, median lane moves account traffic flow (a system known tidal flow or reversible lane).

with effect january 2005 , based on safety grounds, uk’s highways agency s policy new motorway schemes use high containment concrete step barriers in median (central reservation). existing motorways introduce concrete barriers part of ongoing upgrades , through replacement , when current systems have reached end of useful life. change of policy applies barriers in median of high speed roads , not verge side barriers. other routes continue use steel barriers.

a raised concrete median can seen dividing route 52 in rochester, minnesota

in north america, , other countries large sparsely populated areas, opposing lanes of traffic may separated several hundred meters of fields or forests outside of heavily populated areas (an extreme example being trans-canada highway near ernfold, saskatchewan, canada, eastbound , westbound lanes go far 5 kilometres (3.1 mi) apart each other), converge lane s width of separation in suburban areas , cities. in urban areas, concrete barriers (such jersey barriers) , guard rails (or guide rails) used.

in dedham, massachusetts, norfolk county correctional center (a state prison) located entirely within wide median of massachusetts route 128. 502-bed facility opened in 1993 infill construction in previously-unused real estate had been isolated divided highway in 1950s.

a 50 metres wide median strip in inagi, tokyo.