Agenda Item 4:I-66 Outside the Beltway

1. Fairfax County Board of Supervisors
Transportation Committee
May 9, 2017
Susan Shaw, P.E., Megaprojects Director
Virginia Department of Transportation

2. Moving to Final Design
Alternative Technical Concept
Process
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• WMATA avoidance ramp at Dunn Loring TPSS
• Mainline transition ramps, East of Sudley Rd
• Express ramps at Rt. 123 to & from West
• I-495 SB GP to WB 66 Express & EB I-66
Express to I-495 NB GP
Additional Design Adjustments,
as approved
Design
Public
Hearing
Final Plans
October 2016
Technical
Proposal
(CLRP Access
Option A)
July 2016
RFP Plans
Technical Proposal
with Additional
ATCs
(CLRP Access
Option B)
Team A
Confidential ATCs
during Competitive
Bidding
Team B
Confidential ATCs
during Competitive
Bidding
• Additional Express Lanes access and
transition ramps
• Route 28 Interchange Reconfiguration
June 2017
Public
Information
Meeting

3. • To the west of US 15
• To and from east and west at Haymarket P&R Lot access
(by others)*
• From I-66 GP EB to the HOV-3 EB open section*
• From the HOV-3 WB open section to I-66 GP WB*
• US 29/Gainesville – Transition zone from HOV-3 to I-66 Express*
• University Boulevard
• From University Boulevard to I-66 Express EB
• From I-66 Express Lanes WB to University Boulevard
• VA 234 Prince William Parkway
• From NB VA 234 to I-66 Express WB*
• From I-66 Express EB to SB VA 234*
• Cushing Road
• From Cushing Road to I-66 Express EB*
• From I-66 Express WB to Cushing Road*
• Balls Ford Road
• From Balls Ford Road to I-66 Express EB
• From I-66 Express Lanes WB to Balls Ford Road
• Transition Ramps Between VA 234 Business
and US 29 Centreville
• From I-66 GP EB to I-66 Express EB
• From I-66 Express Lanes WB to I-66 GP WB
• VA 28 Sully Road
• From I-66 GP EB to I-66 Express EB
• From I-66 Express EB to VA 28 NB
• From VA 28 SB to I-66 Express WB
• From VA 28 SB to I-66 Express EB
• From I-66 Express WB to VA 28 NB
• From I-66 GP WB to I-66 Express WB
• From Express EB to I-66 CD EB to VA 286
• From Express WB to I-66 GP WB
• Stringfellow Road
• From Stringfellow Road to I-66 Express EB
• From I-66 Express WB to Stringfellow Road
• Monument Drive
• From I-66 Express EB to Monument Drive
• From Monument Drive to I-66 Express WB
• From Monument Drive to I-66 Express EB
• From I-66 Express WB to Monument Drive
Preferred Alternative
Access Update - Option A
Prince William County Fairfax County
New access points proposed for Option A
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* Ramps implemented in ultimate phase of Preferred Alternative by 2040; all other access is part of Phase 1, constructed by 2022.
• US 50 Lee Jackson Memorial Highway
• From US 50 EB to I-66 Express EB
• From I-66 Express WB to US 50 WB
• VA 123 Chain Bridge Road
• From I-66 Express EB to VA 123
• From VA 123 to I-66 Express WB
• From I-66 Express WB to VA 123
• From VA 123 to I-66 Express EB
• Vaden Drive
• From I-66 Express EB to Vaden Drive
• From Vaden Drive to I-66 Express WB
• Transition Ramp West of Gallows Road
• From I-66 GP EB to I-66 Express EB
• I-495 Capital Beltway
• From I-66 Express EB to I-495 Express NB
• From I-66 Express EB to I-495 GP NB
• From I-66 Express EB to I-495 GP SB
• From I-66 Express EB to I-66 GP EB
• From I-66 GP WB to I-66 Express WB
• From I-495 Express NB to I-66 Express WB
• From I-495 Express SB to I-66 Express WB
• From I-495 GP SB to I-66 Express WB

4. Route 50
Option A
• Reconfigured connection from I-66 WB Express Lanes to US 50 west of I-66
• Reconfigured access from US 50 WB to I-66 WB General Purpose Lanes
• Within interchange footprint
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5. • Additional Express connections at Rte 123 to and from the west
• Improved travel choices
• Access supported by City of Fairfax
• Within interchange footprint
Route 123
Option A
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6. I-495 Interchange
Option A
• 66 Eastbound Express Lanes to I-495 northbound GP lanes
• I-495 southbound GP lanes to I-66 WB Express Lanes
• Improved travel choices
• Within interchange footprint
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7. Preferred Alternative
Access Update - Option B
Prince William County
New access points proposed for Option B
• To the west of US 15
• To and from east and west at Haymarket P&R Lot access
(by others)*
• From I-66 GP EB to the HOV-3 EB open section*
• From the HOV-3 WB open section to I-66 GP WB*
• US 29/Gainesville – Transition zone from HOV-3 to I-66 Express*
• University Boulevard
• From University Boulevard to I-66 Express EB
• From I-66 Express Lanes WB to University Boulevard
• VA 234 Prince William Parkway
• From NB VA 234 to I-66 Express WB*
• From I-66 Express EB to SB VA 234*
• From NB VA 234 to I-66 Express EB
• From I-66 Express WB to SB VA 234
• Cushing Road
• From Cushing Road to I-66 Express EB*
• From I-66 Express WB to Cushing Road*
• Balls Ford Road
• From Balls Ford Road to I-66 Express EB
• From I-66 Express Lanes WB to Balls Ford Road
• Transition Ramps Between VA 234 Business
and US 29 Centreville
• From I-66 GP EB to I-66 Express EB
• From I-66 Express Lanes WB to I-66 GP WB
New access points proposed for Option A
Fairfax County
• Transition Ramps – west of US 29 Centreville
• From I-66 Express EB to I-66 GP EB
• From I-66 GP WB to I-66 Express WB
• VA 28 Sully Road
• From I-66 GP EB to I-66 Express EB
• From I-66 Express EB to VA 28 NB
• From VA 28 SB to I-66 Express WB
• From VA 28 SB to I-66 Express EB
• From I-66 Express WB to VA 28 NB
• From I-66 GP WB to I-66 Express WB
• From Express EB to I-66 CD EB to VA 286
• From Express WB to I-66 GP WB
• VA 286 Fairfax County Parkway
• From NB VA 286 to I-66 Express WB
• Stringfellow Road
• From Stringfellow Road to I-66 Express EB
• From I-66 Express WB to Stringfellow Road
• Monument Drive
• From I-66 Express EB to Monument Drive
• From Monument Drive to I-66 Express WB
• From Monument Drive to I-66 Express EB
• From I-66 Express WB to Monument Drive
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* Ramps implemented in ultimate phase of Preferred Alternative by 2040; all other access is part of Phase 1, constructed by 2022.
• US 50 Lee Jackson Memorial Highway
• From US 50 EB to I-66 Express EB
• From I-66 Express WB to US 50 WB
• From US 50 EB/WB to I-66 Express EB
• Transition Ramps
• From I-66 GP EB to I-66 Express EB
• From I-66 Express WB to I-66 GP WB
• VA 123 Chain Bridge Road
• From I-66 Express EB to VA 123
• From VA 123 to I-66 Express WB
• From I-66 Express WB to VA 123
• From VA 123 to I-66 Express EB
• Vaden Drive
• From I-66 Express EB to Vaden Drive
• From Vaden Drive to I-66 Express WB
• VA 243 Nutley Street
• From I-66 Express EB to VA243
• From VA 243 to I-66 Express WB
• From VA 243 to I-66 Express EB
• From I-66 Express WB to VA 243
• Transition Ramp West of Gallows Road
• From I-66 GP EB to I-66 Express EB
• I-495 Capital Beltway
• From I-66 Express EB to I-495 Express NB
• From I-66 Express EB to I-495 GP NB
• From I-66 Express EB to I-495 GP SB
• From I-66 Express EB to I-66 GP EB
• From I-66 GP WB to I-66 Express WB
• From I-495 Express NB to I-66 Express WB
• From I-495 Express SB to I-66 Express WB
• From I-495 GP SB to I-66 Express WB

8. • Additional connection to eastbound I-66 Express Lanes from Rte 50 east of I-66
• Additional connection from westbound I-66 Express Lanes to Rte 50 east of I-66
• Access supported by City of Fairfax
Route 50
Option B
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9. • Additional connection at Nutley St. to and from the east on the I-66 Express Lanes
• Additional connection at Nutley St. to and from the west on the I-66 Express Lanes
• Within interchange footprint
Nutley Street
Option B
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10. Trucks on the I-66 Outside the
Beltway Express Lanes
• Tractor trailer trucks pulling more
than one trailer will be prohibited
• Pick-up or other single unit trucks
pulling a single trailer will also be
prohibited
• Multi-axle vehicles will be
permitted including tractor-
trailer trucks pulling a
single trailer
Benefits to the Public
• Improves travel in the general-purpose lanes with a portion of trucks using the express lanes
• Supports local businesses
• Improves the movements of goods and services in the corridor
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• Two-axle vehicles, including
single-unit trucks, permitted
consistent with other Express
lanes

11. Existing Truck Percentages
(Multi-Axle Vehicles)
4% Daily Traffic
3%
EB AM Peak Period ~ 2%
WB PM Peak Period ~ 2%
Off Peak ~ 12%
EB AM Peak Period ~ 1%
WB PM Peak Period ~ 1%
Off Peak ~ 7%
3%
1%
7-8%
3% Daily Traffic
20% - 30%
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12. 2016 Incidents Analysis
Texas Express Lanes
Project
Katy Freeway
Express Lanes
North Tarrant
Express Lanes
LBJ - IH635
Express Lanes
Location Houston Fort Worth Dallas
Roadway Type Interstate Highway IH/State Highway Interstate Highway
Length (miles) 12.0 13.3 16.5
Average Daily Traffic (ADT) 250,000 up to 170,000 up to 200,000
% Multi-Axle Truck ADT 3.5% to 5.0% 3.5% to 5.0% 6.5% to 8.5%
Incidents (all vehicles)
General Purpose Lanes 1,472 776 1,668
Express Lanes 87 82 62
1,559 858 1,730
Incidents (trucks)
General Purpose Lanes 280 156 384
Express Lanes 9 11 12
289 167 396
Source: reportable data collected from Texas Peace Officer's Crash Reports received and processed by the Texas Department of Transportation (https://cris.dot.state.tx.us/)
Truck crashes in GPLs as % of all crashes 18.0% 18.2% 22.2%
Truck crashes in ELs as % of all crashes 0.6% 1.3% 0.7%
Truck crashes in GPLs as % of all crashes in GPLs 19.0% 20.1% 23.0%
Truck crashes in ELs as % of all crashes in ELs 10.3% 13.4% 19.4%
The percentage of incidents involving trucks in the express lanes compared
to the general purpose lanes is significantly lower.
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13. Where We Are in the Process
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14. Public Meetings
 Community and Public Outreach: 12 (January 2017-May 9, 2017)
• January 25, 2017, Sully District Council of Citizens Associations
• February 7, 2017, Cabell’s Mill HOA
• March 23, 2017, Northern Virginia Transportation Authority
• April 4, 2017, City of Fairfax Council Work Session
• April 24, 2017, Town of Vienna Council Meeting
• April 25, 2017, Prichard’s Court
• April 26, 2017, Briarwood Civic Association
• May 1, 2017, Five Oaks Estates
• May 1, 2017, Stenhouse Place/Stenwood HOA
• May 3, 2017, Megaprojects Elected Officials Briefing
• May 4, 2017, Town of Vienna Public Meeting
• May 8, 2017 , Madison Ridge HOA
 Upcoming Meetings - May 2017:
• Providence District Council
• Greater Merrifield Business Association
• Marquis at Vienna Station
• Dunn Loring Improvements Association
• Fairfax Advocates for Better Bicycling
• Sequoia HOA
 Since January - 20 briefings to
Elected Officials
• Senator Dick Saslaw
• Senator Chap Petersen
• Delegate Mark Keam
• Delegate Bob Marshall
• Delegate Marcus Simon
• Mayor Laurie DiRocco
• Mayor David Meyer
• Chairman Sharon Bulova
• Supervisor Linda Smyth
• Supervisor John Foust
• Supervisor Catherine Hudgins
• Supervisor Kathy Smith
• Supervisor Pat Herrity
• Supervisor Pete Candland
• Supervisor Jeanine Lawson
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15. Public Information Meetings
6:00-8:30 p.m.
Presentation at 7 p.m.
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 Monday, June 12, 2017
Oakton High School
2900 Sutton Road
Vienna, Virginia 22181
 Wednesday, June 14, 2017
Stone Middle School
5500 Sully Park Drive
Centreville, VA 20120
 Thursday, June 15, 2017
Piney Branch Elementary School
8301 Linton Hall Road
Bristow, Virginia 20136

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THANK YOU