A research study conducted by the Texas A&M Transportation Institute and Westat. This research project is examining people’s travel on freeways with express lanes. Areas in this study will be Dallas/Fort Worth and Washington D.C. area. If you area interested in participating in this study send us an email and we'll be in contact.
Version history
1.0.3
2023-01-03
Removal of I270 in Virginia which does not have excess lanes.
1.0.2
2022-10-11
New express way I-270 in Virginia added.
1.0.1
2022-09-06
Bug fixes.
Improvements to express lane reporting.