From CP 248 (MP 248.6), where a connector on the west side leads to Evendale on the former PRR Chicago line (now the NS New Castle District), a crossover, and a connector from CP-Mill on that line trails in on the east side, just before that line bridges overhead, the line heads north-northeast, single track, CTC, maximum speed 30 mph, past the Main Track departing on the east side, the Evendale Receiving Yard on the west side of the Main Track, with two running tracks on its west side, a bridge carrying Glendale-Milford Road (SR 126) overhead, a spur to Ashland Oil on the west side (with the parking lot for Crosley/Avco/Cincinnati Electronics beyond that), a spur for Lehigh, and three parallel bridges over the Mill Creek, for the Main Track (east side), Scale Track/Middle Track, and the two running tracks on the west.
The two running tracks decrease to one, with two spurs on the west side, and then expand again to two, with the Exxon Lead on the east side of the Main Track, three parallel yards at Sharon Yard on the east side of the running tracks, and the engine service/fuel/crew facilities on the west side, with a bridge carrying Sharon Road overhead at the north end of the yards before all these come back together again, with a spur for Queen City Container on the east side and the engine house lead on the west side, at CP 246 (MP 246.1), turning north past Sharonville and becoming Two Main Tracks, maximum speed 50 mph for intermodal trains and 40 mph for other freight trains, with a crossover at CP 244 (MP 244.2), northeast, and then north-northeast past West Chester and just west of due north, past Mauds.
There are detectors at MP 237.8, Hughes, a turn just east of due north, a crossover at CP 235 (MP 235.8), a turn north at Monroe, a wye on the east side with a line heading east to Reed Yard, dragging equipment detectors at MP 231.6, Excello, a 5,200 ft. controlled siding from CP 231 (MP 230.6), where a line from the AKS Steel (former ARMCO) Middletown Mill trails in on the east side and one from Armco Junction on the former B&O trails in on the west side, to CP 228 (MP 229.5), with steel sidings on the east side, another track from the steel mill trailing in on the east side, and the former B&O line from the north side of Hamilton trailing in on the west side.
The line turns just east of due north, with a 25 mph speed restriction through Middletown, from MP 229.5 to MP 227.4, Middletown, where an erstwhile spur once trailed in on the west side, the line turns northeast, and the erstwhile Middletown Yard was once on the east side, dragging equipment detectors at MP 226.4, Wells, a bridge over the Great Miami River, Franklin, a crossover at CP 223 (MP 223.3), where an erstwhile former Big Four line once headed northwest, and Franklin Lead (MP 222.9), trailing in from the south-southeast, turning north-northeast, with the former B&O Toledo line to the west for a short distance, and bridging over the Great Miami River again on a multi-span deck girder bridge.
There is a 45 mph speed restriction through Miamisburg, from MP 218.6 to MP 217.5, with a through-truss bridge over a road and multiple grade crossings in town, detectors at MP 218.3, a crossover at CP 216 (MP216.7) where the line turns northeast, West Carrollton, a spur on the east side trailing in from Appleton Papers, and a turn just east of due north, past dragging equipment detectors at MP 213.2, a spur on the west side to the GM plant (closed in December, 2008), the 6-track on the east side Moraine Yard (MP 211.8), with another (closed) GM plant on the east side, Sand Cut, another bridge over the Great Miami River, the start of single track, CTC, and a 15 mph speed restriction at CP 209 (MP 209.8), an erstwhile spur on the east side at South Dayton, the ex-B&O Toledo line trailing in on the west side at Miami City, where the line turns east-northeast, CP 208, where the erstwhile ex-PRR line from Indianapolis once trailed in on the west side, another bridge over the Great Miami River, a location where the erstwhile PRR Lebanon line once headed away south-southeast, the former location of Dayton Union Station, Dayton (MP 206.9), and CP 206, where the former B&O Toledo line heads away north, the former PRR line to Columbus heads away east-southeast (but only for a couple of miles), and the current Dayton Line continues east-northeast on former Big Four track.