This is a clip from my "Save Metra Electric District service" video that shows one of the clips at normal speed (the clips in that video were sped up by 75%). 
That video: vimeo.com/224129905
<a rel="nofollow" class="external text" href="https://vimeo.com/stevevance">Steven Vance</a>
CC BY 3.0
<a href="//commons.wikimedia.org/wiki/Category:Vimeo" title="Category:Vimeo">Vimeo</a>: <a rel="nofollow" class="external text" href="https://vimeo.com/224145852">Normal speed of Metra trains running side by side</a> (<a rel="nofollow" class="external text" href="//web.archive.org/web/*/https://vimeo.com/224145852"><span style="color:#9602fc">view archived source</span></a>)