Skip to main content

Multimodal Transportation Planning Data Compendium of Data Collection Practices and Sources (1997) / Chapter Skim
Currently Skimming:

3. Secondary Data Sources
Pages 25-30

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 25...
... 3.0 Secondary Data Sources .
Read the entire page →
From page 26...
... The secondary data sources identified can be found in Appendix 2.0 and include those available from Federal agencies, such as the Bureau of Transportation Statistics (BTS) , state agencies, and private institutions currently involved in data collection and dissemination.
Read the entire page →
From page 27...
... Mode Abstract Source of Data Attributes Significant Features/L~mitations Sponsoring Organization Performing Organization Availability Contact for Additionad Infonnation Appendix 3.0 contains a recent Product Catalog put together by the Bureau of Transportation Statistics. The Catalog provides a list and a brief description of the products and services available from the BTS, currently or in the near future.
Read the entire page →
From page 28...
... Solving Me problem involved three steps: converting the TIGER coordinate file to census tract polygons; overlaying census boundaries and section boundaries to create a new set of polygons redecting the boundaries of each, and; creating a cross-a~ocation table from the resulting polygon file for use in assigning the data Dom one polygon type to the other. One of the main limitations of this approach is that the classification codes used by county proper appraisers do not correspond to the census codes.
Read the entire page →
From page 29...
... Electronic data interchange - Another application of secondary data involves utilizing electronic data interchange REDO and relates to the exchange of data and information between carriers and shippers that has traditionally been carried out through the processing, duplication, and transfer oftons of paper work. The Increasing trend in the freight transport industry is to transfer information such as orders to shippers, requests for fieight services, billings from carriers' and payments, electronically from computer-to-computer, also known as electronic data interchange (ED0.3 Access to this information by MPOs and state DOTs could provide valuable information on freight flows.
Read the entire page →
From page 30...
... the spatial data retrieved. Some of the difficulties encountered involved having to make assumptions on the routes taken by ambulance drivers, as well as factoring into the overall estimate of travel delay and congestion the fact emergency vehicles are given the right-of-way.
Read the entire page →

Key Terms

  • freight data
  • data interchange
  • transportation data
  • electronic data
  • emergency response

  • guidance manual
  • transportation planners
  • tax maps
  • population figures
  • annually collected

  • traffic model
  • secondary sources
  • coordinate file
  • sources identified
  • paper work

  • data attributes
  • response providers
  • transportation purposes
  • data acquisition
  • idot historically

  • census boundaries
  • transfer oftons
  • tract block
  • traffic data
  • figures gathered

  • study using
  • national traffic
  • data pand
  • providing passenger
  • heightening demand


    • This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
    More information on Chapter Skim is available.