Editing Overhead line (section)

=== Height ===
The height of the overhead line can create hazards at [[level crossing]]s, where it may be struck by road vehicles. Warning signs are placed on the approaches, advising drivers of the maximum safe height.

The wiring in most countries is too low to allow [[Double-stack rail transport|double stack container]] trains. The [[Channel Tunnel]] has an extended height overhead line to accommodate double-height car and truck transporters. [[China]] and [[Rail transport in India|India]] operate lines electrified with extra height wiring and pantographs to allow for double stack container trains.<ref name="spotlight">{{cite web|last=Das|first=Mamuni|date=October 15, 2007|title=Spotlight on double-stack container movement|url=http://www.thehindubusinessline.com/2007/10/15/stories/2007101551550600.htm|access-date=February 25, 2009|publisher=The Hindu Business Line}}</ref><ref>{{Cite web|title=非人狂想屋 {{!}} 你的火车发源地 » HXD1B牵引双层集装箱列车|url=http://www.trainnets.com/archives/34518|access-date=2020-07-01|language=zh-CN}}</ref><ref>{{Cite web|title=Aerodynamic Effects Caused by Trains Entering Tunnels|url=https://www.researchgate.net/publication/245307012|access-date=2020-07-01|website=ResearchGate|language=en}}</ref>