I found this photo at My Link page Yesteryear Depot.Com, located to the right of Your computer screen.

This photo was taken near northwest suburban Park Ridge Illinois, at sometime during the year of 1946.

A westbound Chicago & NorthWestern Railroad commuter train enroute to Harvard Illinois, is viewed behind pulled by a high stepping 4-4-2 Atlantic type passenger service steam locomotive.

The 4-4-2 Atlantic type steam locomotives with their 4 lead truck wheels for stability, 4 tall driving wheels for speed, and two trailing truck wheels underneath the firebox for support, proved themselves as fast and dependable passenger motive power when introduced during the late 1800's.

Passenger trains eventually became longer and heavier, and wooden passenger cars gave way to steel designs during the teens in the early 20th Century. Atlantic types were eventually underpowered from the popular railroad flagship or "Name" trains, and soon found more suitable assignments puling short local, connecting passenger trains, and in the upcoming years, would prove themselves as the right tool for the right job pulling commuter trains in many North American citties.

Some railroads like the Chicago, Burlington & Quincy, and the Illinois Central, would eventually utilize former passenger 4-4-2 Atlantic type steam locomotives on local branchline freight trains.

Unfortunately, not very many 4-4-2 Atlantic type steam locomotives were set aside for preservation at the end of the steam era. Most were cut up for scrap.

The Pennsylvania State Railroad museum in Strasburg Pennsylvania, has two former Pennsylvania Railroad 4-4-2's in it's collection on display. The National Museum of Transport in Kirkwood Missouri, has a former Chicago & NorthWestern Railroad 4-4-2 like the one shown here on display. The Henry Ford Museum in Dearborn Michigan, has a former New York Central 4-4-2 on display. The B & O Railroad Museum in Baltimore Maryland, has a former Central Railroad of New Jersey 4-4-2 Camelback Atlantic type steam locomotive on display, and Travel Town located at Griffith Park in Los Angeles California, has a Southern Pacific Railroad 4-4-2 on display as well.