In 1996, Milwaukee received 146 New Flyer D40LF low floor models, its first order of what by the early 2000's would become the most dominant bus in Milwaukee. #4077 is seen eastbound on Wisconsin Ave. at 4th St., on the #31 State-Highland route.
In 1997, Milwaukee received nine 30 foot New Flyer D30LF low floor models have, numbered in the 4200-4208. #4200 is seen northbound on 60th St. at Wisconsin Ave., on the #64 60th St. route.
Milwaukee County Transit System introduced a new paint scheme in 2000, with the arrival of 90 more New Flyer D40LF low floor models. #4310 is seen westbound on Wisconsin Ave. at 4th St., on the #10 Wisconsin route.