495northernextension.org
495NORTHERN EXTENSION
ExpressLanes
SCOPE OF TRAFFIC ANALYSIS ¡ Operational and safety analysis� I-495 & Dulles Toll Road mainlines� Arterials within study corridor
¡ Traffic and Transportation Technical Report
¡ Interchange Justification Report
¡ Comparison of build alternative versus no-build alternative� 2025 interim year� 2045 design year
¡ Traffic analysis shows benefits to:� Travel times and traffic delay� Person throughput� Secondary streets