Anniversary Unit: Foreign power on the CSX Trenton Subdivision can be seen with train CSX B705. This train, originating from Clearing Yard in Chicago, IL, is nearing its final destination of Philadelphia, PA. The Tier 4 leader features a celebratory paint scheme on the occasion of the 100th anniversary of the Canadian National Railway. The second unit is CN 2255: an ES44DC with a teardrop windshield design.