Tysons

Consolidated Transportation Impact Analyses (CTIAs)

Beyond Tysons

(Neighborhood Traffic Impact Studies)

BOS Transportation Committee June 12, 2012

Tysons

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Tysons

Tysons Corner Neighborhood Study (Phase I)

Conducted in 2009, 2010

• 19 intersections selected• Mitigation measures identified (2030 analysis)

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Tysons

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Location of 19 Intersections

Analyzed During the

Phase I Neighborhood

Study

Tysons

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Tysons

ResultsTysons Corner Neighborhood Study (Phase I)

With mitigation measures:•16 of the 19 intersections operate acceptably in 2030•All are better than today in terms of delay•Reached this conclusion in May 2010

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Tysons

Tysons Corner Neighborhood Study (Phase II)

• Higher traffic volumes will be used than in Phase I

• Staff made an initial selection of intersections along corridors

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TysonsSelection of Intersections Along

Corridors Outside Tysons - Example

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TysonsSelection of Intersections Along

Corridors Outside Tysons - Example

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Tysons Next Steps/Schedule

Tysons Corner Neighborhood Study (Phase II)

• Obtain input from BOS members• Conduct analysis• Determine recommended mitigation measures• Obtain stakeholder input (including public mtgs.)• Identify funding• Completion of initial analysis: Sept. 2012• Completion of study: Feb. 2013

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