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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

SCOPE OF TRAFFIC ANALYSIS - 495northernextension.org · Traffic Operations Analysis Study Area Intersection Type Signalized Intersection STOP Unsignalized Intersection Virginia/Maryland

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Page 1: SCOPE OF TRAFFIC ANALYSIS - 495northernextension.org · Traffic Operations Analysis Study Area Intersection Type Signalized Intersection STOP Unsignalized Intersection Virginia/Maryland

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