Chicago Area Transportation Study

VOL. 19, NO. 1 (April 2007) - PDF
This issue focuses on the Chicago area rail system from 1976 to 2006.

VOL. 18, NO. 1 (July 2004) - PDF
This issue focuses on introducing the 2001 Interactive Regional Highway Atlas

VOL. 17, NO. 1 (June 2001) - PDF
This issue focuses on anticipated Census 2000 products.

VOL. 16, NO. 1 (January 2000) - PDF
This issue provides an overview of documents published by CATS in 1999.

VOL. 15, NO. 3 (December 1999) - PDF
This issue focuses on the 1997-1998 CATS Multi-Modal External Travel Survey.

VOL. 15, NO. 2 (June 1999) - PDF
This issue focuses on the Chicago central area.

VOL. 15, NO. 1 (April 1999) - PDF
This issue focuses on vehicle registration.

VOL. 14, NO. 4 (December 1998) - PDF
This issue focuses on long distance travel.

VOL. 14, NO. 3 (August 1998) - PDF
This issue focuses on vehicle miles traveled.

VOL. 14, NO. 2 (May 1998) - PDF
This issue focuses on travel times.

VOL. 14, NO. 1 (April 1998) - PDF
This issue focuses on the Adlai Stevenson II Expressway (I-55).

VOL. 13, NO. 4 (October 1996) - PDF
This issue focuses on trends in the Chicago metropolitan area.

VOL. 13, NO. 3 (April 1996) - PDF
This issue focuses on hourly traffic variation.

VOL. 13, NO. 2 (May 1996) - PDF
This issue examines the current state of the Chicago area transportation system.

VOL. 13, NO. 1 (April 1996) - PDF
This issue provides an overview of documents published by CATS in 1995.

VOL. 12, NO. 1 (March 1995) - PDF
This issue provides an overview of documents published by CATS in 1994.

VOL. 11, NO. 1 (January 1994) - PDF
This issue provides an overview of documents published by CATS in 1993.

VOL. 10, NO. 7 (December 1993) - PDF
This issue focuses on vehicle registration.

VOL. 10, NO. 6 (October 1993) - PDF
This issue provides an analysis in changes in the mode of travel to work from 1980 to 1990.

VOL. 10, NO. 5 (August 1993) - PDF
This issue examines 1990 data regarding modes of travel to work.

VOL. 10, NO. 4 (July 1993) - PDF
This issue presents data concerning Kendall, Kane and Will counties from the CATS Household Travel Survey.

VOL. 10, NO. 3 (June 1993) - PDF
This issue focuses on Census work trips.

VOL. 10, NO. 2 (April 1993) - PDF
This issue examines the CATS Household Travel Survey.

VOL. 10, NO. 1 (Summer 1992) - PDF
This issue presents an overview of documents published by CATS in 1991.

VOL. 9, NO. 2 (Summer 1992) - PDF
This issue focuses on urban area boundaries.

VOL. 9, NO. 1 (Winter 1992) - PDF
This issue presents a synopsis of the various documents produced by CATS during 1991.

VOL. 8, NO. 3 (November 1991) - PDF
This issue analyzes data from the CATS Household Travel Survey.

VOL. 8, NO. 2 (May 1991) - PDF
This issue focuses on the Kennedy Expressway (I90/I94).

VOL. 8, NO. 1 (January 1991) - PDF
This issue presents a synopsis of the various documents produced by CATS during 1990.

VOL. 7, NO. 3 (December 1990) - PDF
This issue focuses on long distance travel.

VOL. 7, NO. 2 (May 1990) - PDF
This issue focuses on the CATS Household Travel Survey.

VOL. 7, NO. 1 (March 1990) - PDF
This issue presents a synopsis of the various documents produced by CATS during 1989.

VOL. 6, NO. 1 (February 1989) - PDF
This issue will examine the information gained from studying the travel behavior of a group of drivers who have come to be known as the Dan Ryan Drivers Panel.

VOL. 5, NO. 4 (September 1988) - PDF
This issue examines information concerning the Dan Ryan reconstruction.

VOL. 5, NO. 3 (April 1988) - PDF
This issue features general information on many topics pertinent to the region.

VOL. 5, NO. 2 (March 1988) - PDF
This issue focuses on Dan Ryan Expressway drivers.

VOL. 5, NO. 1 (January 1988) - PDF
This issue focuses on people who drive to and park in the Chicago Central Business District.

VOL. 4, NO. 4 (September 1987) - PDF
This issue examines changing commuter patterns.

VOL. 4, NO. 3 (May 1987) - PDF
This issue examines before and after study profiles of the O'Hare rapid transit extension.

VOL. 4, NO. 2 (March 1987) - PDF
This issue focuses on trip generation for offices and light industrial developments.

VOL. 4., NO. 1 (January 1987) - PDF
This issue focuses on trip generation for suburban residential developments.

VOL. 3, NO. 3 (December 1986) - PDF
This issue focuses on highway travel time.

VOL. 3, NO. 2 (May 1986) - PDF
This issue focuses on aviation issues and concerns of local governments, businesses, aircraft owners and pilots.

VOL. 3, NO. 1 (March 1986) - PDF
This issue focuses on travel time and distance.

VOL. 2, NO. 5 (November 1985) - PDF
This issue examines external travel characteristics.

VOL. 2, NO. 4 (September 1985) - PDF
This issue features the Chicago Central Area Retail Buildings Survey.

VOL. 2, NO. 3 (June 1985) - PDF
This issue features the Chicago Central Area Travel Survey.

VOL. 2, NO. 2 (May 1985) - PDF
This issue focuses on intra-suburban auto work trips.

VOL. 2, NO. 1 (February 1985) - PDF
This issue focuses on work trips to Chicago in 1980.

VOL. 1, NO. 7 (December 1984) - PDF
This issue focuses on township trends in Chicago from 1970-1980.

VOL. 1, NO. 6 (October 1984) - PDF
This issue highlights data from townships that have generally been considered stable for the 1970-1980 decade. The townships examined are: Niles, Proviso, Worth and Bloom in Cook County; Benton-Zion in Lake County; and Elgin in Kane County.

VOL. 1, NO. 5 (August 1984) - PDF
This issue examines five townships that were chosen as representative growth areas. Trends, from 1970 to 1980, are analyzed for Orland, Schaumburg and Wheeling in Cook County; York in DuPage County; and St. Charles in Kane County.

VOL. 1, NO. 4 (June 1984) - PDF
This issue focuses on transit ridership trends from 1970 to 1980.

VOL. 1, NO. 3 (May 1984) - PDF
This issue focuses on changes from 1970 to 1980.

VOL. 1, NO. 2 (April 1984) - PDF
This issue focuses on the Chicago Central Area.

VOL. 1, NO. 1 (March 1984) - PDF
This issue focuses on where we live (by county), where we work, and how we get there.