South side of the Chicago Union Station which is used by passenger trains of the Penn Central, Burlington Northern and Gulf, Mobile & Ohio Railroads. The north side of this station is used by trains of the Milwaukee Road.

Concourse area of the Chicago Union Station looking toward the main waiting rooms on May 16, 1969.

Early morning commuters from Chicago Union Station cross the Jackson Street bridge. In the background is the office portion which contains the Station's main waiting room.

Chicago, Burlington & Quincy Railroad's "California Zephyr", one of the nation's greatest trains, is leaving Chicago for the Pacific Coast, making a cross-over on the main line tracks south of the Chicago's Union Station in October 1963.

Six tracks south of the Chicago Union Station were busy on this autumn day in 1963. Burlington commuter train (center) backs into the station. The Morning Zephyr is pulled by a switcher on its way to be washed, turned and cleaned for its return run to the Twin Cities as the Afternoon Zephyr. Pennsylvania's The General is departing for New York and the Broadway Limited, which has just arrived from the East, is backing into the terminal.

A famous name train which operated for many years between Chicago and Milwaukee, the North Shore Line's "Electro-liner" stands on elevated railway track in the Roosevelt Road Yard, Chicago on January 18, 1963.

This photograph portrays an unusual rail consist: Chicago and Western Indiana Railroad's Engine No. 202, a 2-6-2 type heading the "pay-car" in Chicago. In this era the railroad's tracks were being elevated throughout the metropolitan area.

Aerial view of the Chicago and Western Indiana Railroad's fabulous 51st Street coach yard and facilities in Chicago. At this time the destruction of the nation's great network of rail passenger service was only about two years away.

Illinois Central Railroad's "St. Louis Special" train No. 1-501, headed by Engine No. 2450 - a mountain type 4-8-2 locomotive, departing from the Central Station in Chicago.

One of Illinois Central Railroad's early suburban trains - headed by Engine No. 1050 - a Pacific type 4-6-2 locomotive with a consist of five handcrafted wooden cars, having open platforms and under-body truss rods - leaving Central Station in Chicago. At the turn of the century the Illinois Central Railroad was providing commuter service.

One of the Illinois Central's de luxe passenger trains; the "Daylight Special" train No. 19 southbound, stands in the Central Station in Chicago - as passengers entrain - prior to the departure hour : 10:02 AM. This train (and its companion, No. 20 northbound) operated between Chicago, Springfield, and St. Louis. The rail distance was 294.17 miles; and the schedule was 7 hours and 44 minutes: equivalent to a running time of about 40 miles per hour. This photograph was taken in the summer of 1911. This was a modern train in that era - cited in the Official Guide of the Railways (June 1916) as: All steel and electric-lighted. The consist included: chair cars and coaches, cafe-club car and Observation Parlor car.

One of the nation's most well-known name trains, Illinois Central Railroad's "The Panama Limited" headed by Engine No. 1158, a Pacific type 4-6-2 locomotive which burns coal, is departing from Central Station in Chicago. The station's tower is in the left background.

In the closing years of the "Glory Days of Steam" the Chicago and North Western Railway's work horses stand at track ends in the Chicago passenger station.

The Chicago and North Western Railway - spanning a period of many years - always operated the largest fleer of commuter trains into and out of the "Windy City". This scene portrays seven suburban-bound trains which have departed from the Chicago Station. The city of Chicago is in the background.

A typical rush hour scene in the magnificent Chicago Station of the Chicago and North Western Railway.

This photograph depicts one of the nations finest railroad passenger stations - Chicago and North Western Railway's Chicago passenger station. Sign above the station says" Streamliners, North Western, Union Pacific"

One of the most unique of all railroad photographs: It is a January night in 1958 and a blizzard-snowstorm rages in the "Windy City". This scene is in the yards - the Chicago and North Western Railway's Chicago passenger station is visible in the background. Observe the gas jets which are keeping switches from being frozen.

On a snowy night in December 1947, passengers are boarding the Chicago and North Western's "Twin Cities 400" streamliner at the Chicago Station.

Most of the Chicago and North Western Railway's fleet of passenger trains traveled behind Pacifics like No. 2911, seen here leaving the Chicago station in 1939. The city of Chicago is in the background of this photo.

The Chicago and North Western Railway's E-4 type streamliners, which headed the "Overland Limited" and "Challenger" trains between Chicago and the West Coast, stand in the Chicago Passenger Station.

This photograph depicts one of the Chicago and Western Indiana Railroad's suburban passenger trains departing from 64th Street Station Chicago. The train is headed by Engine No. 210 - a Prairie type 2-6-2 locomotive, with a consist of five standard heavyweight passenger coaches.

Illinois Central streamlined passenger train with a consist of nine cars, headed by engine No. 2418, a Mountain type 4-8-2 locomotive, leaving Chicago Central Station.

Illinois Central's modern streamliner "The Green Diamond" train No. 21, southbound, leaving Chicago enroute to St. Louis.

In Dearborn Station, Chicago, the Santa Fe's "Texas Chief" train No. 15, southbound awaits the departure signal as the "El Capitan" train No. 17, westbound, with a full-length Dome car, departs for California.