Used for testing the pantographs after maintanece. This is at full height and is used for rail/road interfaces such as level crossings.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/12349133@N05">djminisite</a>
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/12349133@N05/5131586078/">Pantograph Test Rig in Raised Position</a>