two 175 trains about to couple up and become one train (albeit composed of two halves) at Crewe station
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/47739225@N08">citytransportinfo</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/citytransportinfo/23673966651/">175-About-To-Couple-Crewe-PCD10_30</a>