At Watertown (MP 131.2), the speed limit is generally 50-40 through the area, there is a CP line trailing in from Waterloo to the west, crossovers, a flat crossing with a UP (ex-C&NW) north-south line (speed limit 40 mph), and a yard, and was once a passenger station. The line heads east-southeast, DT, TWC, ABS, speed limit 70-60-50, past three grade crossings, a bridge over a river, a grade crossing, a road alongside to the north, five dirt road grade crossings, Ixonia (MP 124.8), the east end of Double Track at Cooby East (MP 123.5), speed limit 60-40 between MP 119.0 and 118.0, three grade crossings in town, Oconomowouc (MP 117.9), an old depot on the north side, two grade crossings in town, a spur on the north side to a factory, a road bridge overhead, a bridge over a stream, a grade crossing at Gifford Road (MP 115.9), Gifford, where the line turns due east, a divided road alongside to the north (US 16), a bridge over the Oconomowouc River, and Okauchee,.
There is a north side siding at Nashotah, with a bridge over a road, a road bridge overhead, and a street alongside to the north, all within the siding, Nagawicka, a grade crossing, a road bridge overhead, a speed limit 75-60-50 between MP 112.0 and 111.4, an old depot on the north side (stores), Hartland (MP 110.1), speed limit 65-60-50 between MP 109.5 and 109.2, detectors at MP 108.2, Lakeside (where there is a lake to the south of the line), a grade crossing, speed limit 50-40 between MP 107.0 and 105.0, a grade crossing, a street alongside to the north, a grade crossing, Pewaukee (MP 105.0), speed limit 55-50 between MP 105.0 and 102.3, quadruple road bridge overhead, a grade crossing, the west end of Double Track, dual road bridges overhead, MP 103, dual road bridges overhead, a grade crossing, a flat crossing, with connectors in the northeast and southeast quadrants, with CN (ex-WC) at Duplainville (MP 102.2), two grade crossings, a road alongside to the north, a bridge over a stream, MP 100, extra track on the north side, two grade crossings, speed limit 65-60-50 starting at MP 97.3, Intermediate Signals, Brook Field, two grade crossings, a street alongside to the north, two grade crossings, dual road bridges overhead, a turn southeast,, a wide road bridge overhead (east-west), quadruple road bridges overhead (north-south), a bridge over a road, and crossovers at Elm Grove (MP 95.1), where the passenger line turns northeast while the freight line continues southeast.
The passenger line passes Homewood, a speed limit 60-50 from MP 93.9 to 90.8, passing under a UP (ex-C&NW) line to Butler Yard, turning north-northeast, southeast, and then east in that span, past MP 91, a road bridge overhead, and a grade crossing, crossing a river into Wauwatosa (MP 90.6), and passing a street alongside to the north, two grade crossings, a bridge over a stream, and dual road bridges overhead. The speed limit falls to 35 mph at Harwood Avenue and the line crosses the river again as it turns south, past a grade crossing, dual road bridges overhead, and a bridge over a river, into Grand Avenue (MP 88.2), where a freight track trails in from the northeast, the speed limit rises to 40 mph, line control changes to ABS only, and there is a short section of single track.
The line crosses the river yet again, and turns east to Cut-Off (MP 87.1), with the CP Milwaukee Shops on the south side of the line, as a line trails in on the north side, past Miller Brewing. A line into the various Milwaukee area yards (Davies Yard, Muskego Yard, Airline Yard) continues east while the passenger line turns east-northeast and then east again, past a bridge over a stream, triple road bridges overhead, two road bridges overhead, extra track on the north side, a road bridge overhead, a location where the North Shore Line once bridged overhead, two road bridges overhead, two grade crossings, and the new (2008) freeway junction comprising two connectors, two road bridges, and two connectors, all bridging overhead, and a road bridge overhead at the west end of the station tracks, to the Milwaukee station (MP 85.7), where the depot is to the north of the tracks, refurbished in 2007 as a multi-modal depot serving Greyhound as well as Amtrak, is to the north of the tracks, which pass through an overall roof, four tracks wide, three of which are platform tracks on the north side of the main line tracks, with north side and island platforms.
The freight line curves east as it passes beneath the ex-C&NW line to Butler Yard, and passes Greenfield Junction, where there as once a flat crossing with The Milwaukee Electric Railway and Light Company (TMERL), West Allis, where a spur heads south to the Allis-Chalmers plant, Soldiers Home, an industrial track trails in from the south, Airline Yard, Muskego Yard, where a connector from Cut-Off trails in from the northwest, a location where the North Shore Line once bridged overhead, and another former flat crossing with TMERL, to reach Florida Street, where it turns south and trails into the main line to Chicago.