<p>Close up of the steel base plate holding the clipped rail to the concrete tunnel floor. The base plate is 1970s original, the pandrol clip and flat bottom rail have been re-laid more recently, but the lot is scheduled for replacement in 2017.<br></p>
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<a rel="nofollow" class="external text" href="https://www.flickr.com/people/30661871@N03">Richard Ash</a>
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/30661871@N03/26336039013/">IMG_4094</a>