level crossings and overhead electrification

BerkshireBugsy

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Posts: 1640

Berkshire Bugsy Jr

level crossings and overhead electrification

« on: July 13, 2012, 06:08:26 »

This question could actually be about any railway which is about to be electrified

On my frequent jouirney from Thatcham today I wondered what happens tpo level crossings when a line is to be electrified.

I don't know what clearance between road level and the overhead cabling but how does that height compare with , say, a double decker bus?

In thatcham the option to change to crossing into a bridge would be challenging to say the least so if height is an issue what happens

Dave


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paul7575

Transport Scholar
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Posts: 5318

Re: level crossings and overhead electrification

« Reply #1 on: July 13, 2012, 11:01:47 »

OHLE is raised to a slightly greater height than normal over level crossings, (albeit within the ambit of a normal pantograph) and that height is well above whatever the 'low bridge' definition is, 16' 6" apparently after some research. I think there might be some additional warning signs when wires are present, Google Street View should confirm either way. For example here at Waterbeach, north of Cambridge, there are signs showing 'safe height 16' 6": http://goo.gl/maps/xUZQ

It isn't a significant issue though, there are level crossings all over the AC electrified railway elsewhere, such as on the GE, the ECML^▸ and previously the WCML^▸ , although most of the latter have been bypassed as part of the route modernisation. But the latter was all about increased train speed and train frequency, nothing to do with the risk of high vehicles causing problems.

Paul


« Last Edit: July 13, 2012, 11:11:55 by paul7755 »	Logged

JayMac

Data Manager
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Posts: 18920

Re: level crossings and overhead electrification

« Reply #2 on: July 13, 2012, 11:13:44 »

Quote from: paul7755 on July 13, 2012, 11:01:47

I think there might be some additional warning signs when wires are present....

http://www.direct.gov.uk/prod_consum_dg/groups/dg_digitalassets/@dg/@en/@motor/documents/digitalasset/dg_191922.pdf


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IndustryInsider

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Posts: 10117

Re: level crossings and overhead electrification

« Reply #3 on: July 13, 2012, 11:18:32 »

I like the Network SouthEast liveried HST^▸ in that .pdf Shocked

Moderator note: This post led to a brief response about fictional liveries applied to HSTs and then went on a further tangent. Subsequent posts have been split off to a new topic on a more appropriate board!

See: http://www.firstgreatwestern.info/coffeeshop/index.php?topic=11007.0

bignosemac


« Last Edit: July 13, 2012, 17:09:19 by bignosemac »	Logged

To view my GWML^▸ Electrification cab video 'before and after' video comparison, as well as other videos of the new layout at Reading and 'before and after' comparisons of the Cotswold Line Redoubling scheme, see: http://www.dailymotion.com/user/IndustryInsider/

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