Using 1990 Census Data to Support Transportation Planning and Policy Development: An Overview of the CTPP

Why should you use the Census Transportation Planning Package (CTPP)? The planning process at all levels of government is being required to provide information and technical support on a wide variety of subjects, such as: Alternative transportation policies affecting auto emissions and air quality; The effectiveness of existing transportation programs serving the mobility needs of the population; or The justification for necessary improvements. Unfortunately, budgetary constraints limit the amount of money and time available for data collection. Standardized in its format nationwide, the CTPP provides an extremely comprehensive, reliable, and cost-effective database. Its tables summarize population and household characteristics by place of residence, worker characteristics by place of work, and detailed commuter (journey-to-work) information. Its potential applications are numerous. For example, suppose your local planning agency is attempting to characterize local commuter flows to address congestion in a corridor leading into town. The CTPP can be used to identify the origins of commuters traveling in the corridor, their means of travel, and their time of travel. With this type of detailed information, alternative improvements, including potential travel demand management (TDM) strategies, can be developed with assurances about the accuracy of the demand data. The CTPP data may preempt the need to conduct an expensive and time-consuming origin-destination survey for the preliminary definition of alternatives.


  • English

Media Info

  • Media Type: Digital/other
  • Features: Appendices; Photos;
  • Pagination: 24p

Subject/Index Terms

Filing Info

  • Accession Number: 01770063
  • Record Type: Publication
  • Report/Paper Numbers: FHWA-PD-94-036
  • Created Date: Feb 3 2021 11:46AM