495northernextension.org 495 NORTHERN EXTENSION Express Lanes 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