box junction

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{{short description|Type of junction designed to prevent congestion of traffic}}

{{More citations needed|date=July 2016}}

File:King William Street from The Monument - geograph.org.uk - 1974829.jpg, pictured from atop the Monument in 1969]]

A box junction is a road traffic control measure designed to prevent congestion and gridlock at junctions. The surface of the junction is typically marked with a yellow criss-cross grid of diagonal painted lines (or only two lines crossing each other in the box), and vehicles may not enter the area so marked unless their exit from the junction is clear, or they are intending to turn and are prevented from doing so by oncoming traffic, or other vehicles on the box waiting to turn.

Box junctions were introduced in the UK during 1967, following a successful trial in London.Motor Cycle, 23 March 1967, p.378 More Box Junctions. Accessed and added 2014-06-10 In both Ireland and the United Kingdom (where cars drive on the left), drivers may enter the box and wait when they want to turn right and are stopped from doing so only by oncoming traffic or by other vehicles waiting to turn right.{{cite web|url=http://www.direct.gov.uk/en/TravelAndTransport/Highwaycode/DG_070332|title=The Highway Code - Road junctions (170-183)|access-date=2009-08-27}}

Box junctions may be painted on other areas of roadway which must be kept free of queuing traffic, such as exits from emergency vehicle depots, level crossings and car parks.

Box junctions are most widely used in many European countries such as Cyprus, Finland,{{cite web |url=https://yle.fi/uutiset/3-8172354 |title=Mikä ihmeen risteysruudukko? – Näin ajat uusien katumerkintöjen päällä |first=Kirsi |last=Matson-Mäkelä |publisher=Yle |date=22 July 2015 |language=fi |trans-title=What even is a box junction? Here is how you should drive over the new road surface markings}}{{cite web |url=https://www.finlex.fi/fi/laki/alkup/2018/20180729 |title=Tieliikennelaki 729/2018 |date=10 August 2018 |website=Finlex |language=fi |trans-title=Road Traffic Law 729/2018}} Ireland, Malta, Portugal, Serbia and the United Kingdom; in parts of the United States, such as New York and Colorado;{{cite web|title=Chapter 3B - Pavement and Curb Markings|url=https://mutcd.fhwa.dot.gov/htm/2009r1r2/part3/part3b.htm|website=Manual of Uniform Traffic Control Devices|publisher=Federal Highway Administration|access-date=July 30, 2016}} and other countries, including Canada, {{citation needed|date=July 2016}} Hong Kong,{{cite web|url=http://www.td.gov.hk/en/road_safety/road_users_code/index/chapter_5_for_all_drivers/traffic_light_junctions_/index.html|title=Traffic Light Junctions|publisher=Transport Department|language=en|access-date=6 May 2017|location=Hong Kong}} Singapore, Indonesia,{{Cite web |last=Nurhadi |date=2021-08-27 |title=Ini Arti dan Fungsi Yellow Box Junction di Lampu Merah |url=https://otomotif.tempo.co/read/1499338/ini-arti-dan-fungsi-yellow-box-junction-di-lampu-merah |access-date=2022-07-09 |website=Tempo |language=en}} Malaysia,{{Cite news|url=https://www.nst.com.my/news/2015/09/public-reminded-keep-out-yellow-box|title=Public reminded to keep out of yellow box|date=September 22, 2014|work=New Straits Times}} the Philippines,"13.6: 'Do Not Block Intersection' lines", Highway Safety Design Standards, Part 2: Road Signs and Pavement Markings Manual, Philippines: Department of Public Works and Highways, p.127 South Africa,{{cite report | date = 2012 | title = Southern African Development Community Road Traffic Signs Manual, Volume 1: Uniform Traffic Control Devices | url = https://www.sartsma.co.za/sadc-manual-v1 | publisher = National Department of Transport | edition = 3rd | location = Pretoria | chapter = Chapter 7: Road Markings | chapter-url = https://www.sartsma.co.za/_files/ugd/4f7773_c4e3f39ec22848b08d31fff846ce53ed.pdf | page = 7.2.23 | access-date = 28 March 2022}} Taiwan,{{cite web|title=第一百七十三條 網狀線，用以告示車輛駕駛人禁止在設置本標線之範圍內臨時停 車，防止交通阻塞。其劃設規定如左|trans-title=Section 173: Crosshatched lines, used to inform the driver that no vehicles can enter in the location where there is need to stop to prevent traffic jams|url=https://commons.wikimedia.org/w/index.php?title=File%3AROC2012-10-13%E9%81%93%E8%B7%AF%E4%BA%A4%E9%80%9A%E6%A8%99%E8%AA%8C%E6%A8%99%E7%B7%9A%E8%99%9F%E8%AA%8C%E8%A8%AD%E7%BD%AE%E8%A6%8F%E5%89%87.pdf&page=194|website=道路交通標誌標線號誌設置規則|publisher=Ministry of Transportation and Communications|access-date=July 30, 2016|location=Taiwan|page=190|date=October 13, 2012|via=Wikimedia Commons}} India{{Cite web |last=Chandrababu |first=Divya |date=October 5, 2016 |title=Corporation tries to fix traffic clogs with box junctions {{!}} Chennai News - Times of India |url=https://timesofindia.indiatimes.com/city/chennai/corporation-tries-to-fix-traffic-clogs-with-box-junctions/articleshow/54687566.cms |access-date=2022-07-24 |website=The Times of India |language=en}} and Brazil.{{citation needed|date=July 2016}}