traffic analysis - 495northernextension.org€¦ · contributors, and the gis user community ......

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495northernextension.org 495 NORTHERN EXTENSION Express Lanes G e o r g e W a s h in g t o n M e m o r i a l P a r k w a y Sources: Esri, HERE, DeLorme, USGS, Intermap, INCREMENT P, NRCan, Esri Japan, METI, Esri China (Hong Kong), Esri Korea, Esri (Thailand), MapmyIndia, NGCC, © OpenStreetMap contributors, and the GIS User Community ¯ 0 0.5 1 0.25 Miles Georgetown Pike Old Dominion Drive Old Dominion Drive Georgetown Pike Clara Barton Parkway Spring Hill Road Swinks Mill Road Balls Hill Road Ingleside Ave Lewinsville Road Legend Project Footprint Study Area Traffic Operations Analysis Study Area Operational and safety analysis I-495 & Dulles Toll Road mainlines Arterials within study corridor Comparison of build alternative (with options) versus no-build alternative 2025 interim year 2045 design year Traffic analysis shows impact on: Traffic delay Person throughput Travel times Secondary streets Traffic and Transportation Technical Report Interchange Justification Report TRAFFIC ANALYSIS

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Page 1: TRAFFIC ANALYSIS - 495northernextension.org€¦ · contributors, and the GIS User Community ... Project Footprint Study Area Traffic Operations Analysis Study Area Operational and

495northernextension.org

495NORTHERN EXTENSION

ExpressLanes

George W ash ing to n Mem o r i a l Parkw ay

Sources: Esri, HERE, DeLorme, USGS, Intermap, INCREMENT P, NRCan, Esri Japan, METI, EsriChina (Hong Kong), Esri Korea, Esri (Thailand), MapmyIndia, NGCC, © OpenStreetMapcontributors, and the GIS User Community

¯

0 0.5 10.25 Miles

Georgetown Pike

Old Dominion Drive

Old Dominion Drive

Georgetown Pike

Clara Bar ton Parkway

Spri

ng H

i ll R

oad

Swin

ks M

i ll R

oad

Ba l ls H i l l Road Ingl

esid

e Ave

Lewinsv i lle Road

LegendProject Footprint Study Area

Traffic Operations Analysis Study Area

Operational and safety analysis � I-495 & Dulles Toll Road mainlines � Arterials within study corridor

Comparison of build alternative (with options) versus no-build alternative

� 2025 interim year � 2045 design year

Traffic analysis shows impact on: � Traffic delay � Person throughput � Travel times � Secondary streets

Traffic and Transportation Technical Report

Interchange Justification Report

TRAFFIC ANALYSIS