Performance Measurement System (PeMS)
Welcome to the Performance Measurement System (PeMS).
The traffic data displayed on the map is collected in real-time
from roadway detectors. PeMS is also an Archived Data User Service (ADUS) that
provides tools for historical data analysis. To use this site, you
must apply for an account.
This web site has been tested with Internet Explorer 8+, Mozilla Firefox 3+ and Chrome. Your browser security settings must allow cookies and JavaScript for this site to work correctly.
