PATCO was single tracking over the Ben Franklin Bridge and I caught this westbound train crossing over from the eastbound track at the 8th and Market interlocking. This interlocking was previously used by Bridge Line trains to arrive from Fern Rock via the Broad Ridge Spur and then reverse direction towards Camden.<br />...<br /><a href="https://www.youtube.com/watch?v=9BNqTZzhal4" target="_blank" rel="nofollow">https://www.youtube.com/watch?v=9BNqTZzhal4</a>