Travel Time Reliability Reference Manual/Accessing the Data
Access to NPMRDS DataEdit
The data set is made available to States and Metropolitan Planning Organizations (MPOs) as a tool for performance measurement. Access can be obtained by emailing e-mail Heretraffic.email@example.com. 
More information regarding access to the NPMRDS data can be found at http://www.ops.fhwa.dot.gov/freight/freight_analysis/perform_meas/vpds/npmrdsfaqs.htm.
The data typically come out each month in the form of seven compressed .tar files. The files include:
- Canadian and Mexican border data