Travel Time Reliability Reference Manual/About NPMRDS
The FHWA acquired a national data set of average travel times for use in performance measurement and to identify transportation improvement areas and monitor their effectiveness.. The National Performance Measure Research Data Set, is provided by HERE North America, LLC (formerly known as Nokia/NAVTEQ). 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.firstname.lastname@example.org.