Reply to post: Re: replacing/reboring low bridges and tunnels

Hydrogen-powered train tested on Britain's railway tracks as diesel alternative

John Brown (no body) Silver badge

Re: replacing/reboring low bridges and tunnels

It does make the pantograph pickup more complex and, if it fails to lower, prone to being ripped off by low bridges or tunnels (the default method being to use spring loaded pressure to push up against the variable height of the overhead line)

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