Travel Time Reliability Reference Manual
Travel Time Reliability
Reference Manual
Table of Contents
Introduction
National Performance Management Research Data Set (NPMRDS)
- About NPMRDS
- Accessing the Data
- Data Format and Size
- Data Storage
- Building Corridors
- Availability of Real-Time Data
- Calculating Speeds and Travel Times
- Imputing Missing Speed Data
- NPMRDS and INRIX Data Comparison
- Example Data
INRIX Data Set
Traffic Information and Condition Analysis System (TICAS)