braddock road multimodal study: guinea road to i-495

County of Fairfax, Virginia

Department of Transportation


Braddock Road Multimodal Study

Guinea Road to I-495

Community MeetingLake Braddock Secondary School

April 25, 2016



Department of Transportation 2

• Introduction – Supervisor Cook• Study Team

o Fairfax County Department of Transportationo Consultant Team

• RK&K• HNTB Corporation• Cambridge Systematics• Rhodeside & Harwell, Inc.

o Task Force

Introduction and Meeting Format



Introduction and Meeting Format• Meeting Format

o Presentation with Question and Answero Open House - Stations

• Exhibits• Team Members• Activities to Solicit Community Input



Comprehensive Plan• General Purpose Lane Widening from Guinea

Road to Burke Lake Roado Two lanes: one in each direction

• HOV Lane Widening from Burke Lake Road to I-495o Two lanes: one in each direction

• Transit Center/Parking Facility on Braddock Road in the vicinity of Burke Lake Road



Project Map



• Study Alternativeso Intersection Improvementso Two General Purpose lanes from Guinea Road to

Burke Lake Roado Widening from Burke Lake Road to I-495

• Two HOV2+ lanes• Two General Purpose lanes

o Transit Centero Pedestrian and Bicycle Accommodations

Project Description



• Community Involvement• Preliminary Design Concepts• Traffic Simulations• Measures of Effectiveness (MOE) • Transit Center Options• Pedestrian/Bicycle Facilities

What We Have Done



• Proposed improvements impact travel patterns• Intersection improvements are a key component of

plan• AM and PM Peak Hours have different characteristics• HOV2+ viable• Initial concepts need further refinement• Community interest in enhanced bicycle and

pedestrian accommodations

What We Have Learned



• Intricate traffic analysis• Working to arrive at the “Right” solution• Additional Analysis Undertaken

o Origin-Destination Studieso Traffic Simulations

Why Is It Taking Longer?




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• No-Build• Intersection Improvements• HOV2+ Lanes – “Inside” option *• HOV2+ Lanes – “Outside” option *• General Purpose Lanes *

* These options include the addition of one general purpose lane in each direction between Guinea Road and Burke Lake Road.

Roadway Improvement Options




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• Traffic volumes will continue to increase• Existing congestion points will get worse• New congestion points will develop

No-Build



Existing vs. No-Build Traffic



Existing vs. No-Build TrafficResidential Side Street Travel Time/Delay

Scenario Average Delay (seconds/veh)

Total Delay (seconds) Total Delay (hr)

Compared to 2015 Existing Total Delay –

% change

AM2015 Existing 57.7 76,921 21.4 -

2040 No Build 139.0 187,382 52.1 144%PM2015 Existing 64.1 67,094 18.6 -2040 No Build 193.3 241,356 67.0 260%

*excludes unsignalized intersections and non-residential side streets.




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• Improve bottlenecksIntersection Improvements




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• What does it mean?o Controlling travel movements to

balance of access and mobility• How does it improve the roadway?

o Reduces conflict pointso Facilitates traffic flow

• How does it affect my travel?o Reduces travel timeo Improves safety

Access Management




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Intersection Improvements• Guinea Road Intersection

o NB Dual right turnso Extend NB second lane northo WB right turn lane




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• Guinea Road to Rolling Road Turn Restrictionso Reduces conflictso Improves traffic flow

Intersection Improvements




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• Burke Lake Road at Braddock Roado Triple NB right turn lane on to Braddock Roado No NB left or through movement (routed to intersection

via Rolling Road)o Extend dual left turn lanes on to Burke Lake Road

o Kings Park Drivelimited to right in/ right out





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CURRENTTRAVEL PATH

ALTERNATIVETRAVEL PATH

WO

OD

LAN

D W

AY





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• Grantham Street at Burke Lake Roado Limit Grantham Street to right in/right outo Eliminate left turns out of Kings Park Shopping Centero Eliminate WB left turn to Grantham Streeto Add HAWK signal





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• Braddock Road/Danbury Forest Drive/ Wakefield Chapel Roado All left turn movements from Braddock Road

handled through jughandleo Simplified signal phasing





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CURRENTTRAVEL PATH


WO

OD

LAN

D W

AY





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• I-495 SB Ramp to WB Braddock Road/Port Royal Roado Eliminate SB I-495 ramp to Port Royal Roado New ramp to access

Port Royal Roado Realign NB I-495 ramp to EB Braddock Road





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INTERSECTION IMPROVEMENTS

CURRENTTRAVEL PATH





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• Braddock Road at Ravensworth Roado EB Dual Right Turnso Extend NB second lane north





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• Burke Lake Road to I-495• Inside HOV Lanes• Outside HOV Lanes• Includes intersection

improvements and access management

HOV Lanes




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• Burke Lake Road to I-495• One additional lane in each direction• Includes intersection improvements and

access management

General Purpose Lanes




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• Sites Under Reviewo NOVA Training Center – West Siteo NOVA Training Center – East Siteo Kings Park Shopping Center – Surface Parkingo Kings Park Shopping Center – Garage Parking

• Sites Eliminated from Considerationo Morrissette Driveo Wakefield Park

Transit Center Options




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• Transit Center Goalso Improve Transit Service and Accessibilityo Integrate Into and Serve Local Community

• Pedestrian and Bicycle Accessibility• Parking• Community Amenities





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• Increases Transit Use by:o Connecting Local Bus Service and Facilitating

Transfers to Express Buseso Convenient Commuter Parkingo Kiss-and-Ride Areao Bicycle Storageo Safe Pedestrian and Bicycle Accesso Ticketing Booth





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• Links Destinations by Facilitating Transferso Current Bus Routes:

Pentagon Tysons George Mason University

o Planned Bus Routes: Franconia-Springfield Metrorail/VRE Station East Falls Church Metrorail Station Vienna/Fairfax-GMU Metrorail Station Annandale campus of Northern Virginia Community College Seven Corners Transit Center

o Flexibility to Expand/Increase Future Service





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• Commuter Parkingo Consolidates/Expands Existing Commuter Parkingo Facilitates Carpoolingo Serves Local Communityo Potential Overflow Parking for Shopping Center at

Kings Park Site





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• Surface lot for car parking• Traffic signal access

NOVA Training Center – West Site




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• Surface lot for car parking• Traffic signal access

NOVA Training Center – East Site




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• Surface lot for car parking• Reconfigured site

circulation for improved Rolling Road access

Kings Park Shopping Center – Surface Parking Option




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Kings Park Shopping Center – Garage Parking Option

• Garage for car parking• Reconfigured site circulation for improved Rolling Road access• Potential overflow

parking for shopping center




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Option

Weekday

# of Routes

Buses Per Hour

Peak Midday Evening

NOVA Training Center Existing 3 5 2 0 Proposed 5 15 10 6Kings Park Shopping Center Existing 8 15 4 0 Proposed 9 29 12 6




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Option Parking Capacity

# of Bus Routes Served

Population within 20

minute walkWalk Score

Jobs within a 45 minute transit ride

NOVA Training Center West Site 300 5 8,400 22 3,300

East Site 300 5 8,400 22 3,300

Kings Park Shopping Center Surface Option 210 9 10,900 57 13,700 Garage Option 300 9 10,900 57 13,700




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• Options under considerationo Completed trail networko Signalized at-grade crossings and HAWK * signalso Bridges and underpasses

* High Intensity Activated crossWalK beacon

Bicycle and Pedestrian Accommodations




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• Connections to neighborhoods and activity centers• Shared Use Paths along corridor

Completed Trail Network




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• Crosswalks at signalized intersections

• Impacts corridor traffic performance when called

• Allows protected pedestrian crossings

• Criteria must be met (MUTCD warrants)

At-grade Crossings HAWK Signals





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• Removes pedestrian/vehicle conflicts

• High cost

• Improved undercrossing at Accotink Creek

• Cost-prohibitive at other locations compared to other options

Pedestrian Bridges Trail Under-Crossings



Important Issues Identified• Traffic congestion and delays will increase

significantly in the No-build option• Intersection Improvements help traffic flow• HOV2+ and General Purpose Lane options require

additional improvements• Access to/from Transit Sites is critical• Widening from Guinea Road to Burke Lake Road

needed if widening occurs between Burke Lake Road and I-495



Next Steps• Finalize Traffic Modeling for Corridor and Analysis of

Alternativeso Refine build alternatives with addition improvementso Update traffic analysis and simulations

• Analyze traffic impacts at transit center siteso Traffic simulation at Kings Park Shopping Center

• Community Meeting – November 2016• Ranking and Prioritization Final Alternatives• Develop Preferred Alternatives for Corridor and Transit

Center



Community Input and Feedback• Comment Sheets• Submit Comments on Website:

http://www.fairfaxcounty.gov/fcdot/braddockroadmmstudy/• E-mail:

[email protected] Subject: Braddock Road

• US Mail:Fairfax County Department of Transportation4050 Legato Road, Suite 400Fairfax, Virginia 22033Attn: Braddock Road Multimodal Study

Please submit comments by May 16, 2016

http://www.fairfaxcounty.gov/fcdot/braddockroadmmstudy/

mailto:[email protected]



QUESTIONS?

braddock road multimodal study: guinea road to i-495

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