Second Meeting of the 495 / 9 / 90 Working Group on the - - PowerPoint PPT Presentation

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Second Meeting of the 495 / 9 / 90 Working Group on the - - PowerPoint PPT Presentation

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Second Meeting of the 495 / 9 / 90 Working Group on the I-495/Route 9 & I-495/I-90 Interchange Study September 26, 2014 1 Agenda All Electronic Tolling System (AETS) & Interchange Demolition & Reconfiguration Update (HT13)

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SLIDE 1

1

Second Meeting

  • f the

495 / 9 / 90 Working Group

  • n the

I-495/Route 9 & I-495/I-90 Interchange Study

September 26, 2014

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SLIDE 2

All Electronic Tolling System (AETS) & Interchange

Demolition & Reconfiguration Update (HT13)

I-495/I-90 “Big Build” Interchange Reconfiguration Update

(HT10)

Route 9 at I-495 Improvements Update (HT3, HT5, HT6,

HT8, HT11)

I-495 Advanced Traffic Management Systems (ATMS) Update

(HT12A)

2

Agenda

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SLIDE 3

3

All Electronic Tolling System (AETS) & Interchange Demolition and Reconfiguration (HT13) Update

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SLIDE 4

Product / Service Pictorial

Gantries located within Right of Way. State has approved preliminary environmental. Will require local permits within the scope of the DB contract overseen by DEP which also oversees

  • MassDOT. No delays expected.

5

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SLIDE 5

Project Milestones

Notice to Proceed – August 13, 2014 Toll Zone Infrastructure Design Completed – June 2015 Factory Acceptance Test – September 2015 “Go Live” – 703 days after NTP – July 4th 2016 weekend. Adjustments to MassDOT Approved Go-Live TTCP System-wide Operational Testing – 60 days after Go-Live

6

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SLIDE 6

Project Execution

Construction Sequencing

Project divided into manageable areas

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SLIDE 7

Construction Schedule

9

TZ10 (Weston): Apr. ‘15 – Oct. ‘15 TZ1 (Lee): Apr. ‘15 – Oct. ‘15 TZ2 (Blandford): May ‘15 – Nov. ‘15 TZ3 (Westfield): May ‘15 – Dec. ‘15 TZ4 (Ludlow): May ‘15 – Dec. ‘15 TZ5 (Warren): May ‘15 – Dec. ’15 TZ9 (Framingham): May ‘15 – Oct. ‘15 TZ8 (Southborough): May ‘15 – Nov. ’15 TZ7 (Hopkinton): May ‘15 – Dec. ‘15 TZ6 (Charlton): May ‘15 – Dec. ’15 TZ11 (Newton): Apr. ‘15 – Jan. ‘16 TZ12 (Brighton): May ‘15 – Dec ‘15 TZ13 (Allston): May ‘15 - Dec ’15 TZ14 (TWT): May ‘15 - Jan. ‘16 TZ15 (Ramp TC): Jun. ‘15 – Jan. ‘16 TZ16 (Sumner & Cal): Jun. ‘15 – Jan. 15

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SLIDE 8

11

I-495 / I-90 Go-Live Scenario July 4, 2016

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SLIDE 9

12

I-495 / I-90 Go-Live Scenario

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SLIDE 10

13

I-495/I-90 “Big Build” Interchange Reconfiguration (HT10) Update

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SLIDE 11

14

I-495 / I-90 Interchange Improvements (HT10)

Major Infrastructure Improvements Construct dedicated ramp from I-495 northbound to I-90 eastbound Remove weaving in tollbooth area Estimated Cost: $100+ million

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SLIDE 12

15

I-495 / I-90 Interchange Improvements Option 14-3

  • Construction Cost Estimate: $120 - $150 million
  • Follows existing alignment as much as possible
  • Least amount of environmental & property impacts
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SLIDE 13

16

I-495 / I-90 Interchange Improvements Option 22-2

  • Construction Cost Estimate: $250 - $300

million

  • Provides for higher speed & more direct

connections

  • More environmental & property impacts
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SLIDE 14

17

Route 9 at I-495 Improvements (HT3, HT5, HT6, HT8, HT11) Update

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SLIDE 15
  • I-495 to Route 9 Braided Ramps (HT3)
  • Approximate Cost: $25 million
  • Approved MassDOT project: no
  • Possible construction timeframe: not yet determined
  • Route 9 Safety & Capacity Imprv. (HT5, HT6, HT8, HT11)
  • Approximate Cost: $12.5 million
  • Approved MassDOT project: yes
  • Possible construction timeframe: not yet determined
  • District 3 preparing detailed scope of work for design consultant

18

I-495/Route 9 Interchange Related Projects

(Recommended in Study)

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SLIDE 16
  • I-495 over Route 9 Bridge Replacement
  • Approximate Cost: $18 million
  • Approved MassDOT project: yes
  • Possible construction timeframe: not yet determined
  • Westborough/Southborough Route 9 Resurfacing
  • Limits: 1000’ east of Lyman Str. to 100’ west of White Bagley Road
  • Approximate Cost: $7.2 million
  • Status: Notice to Proceed issued to PJ Keating 9/5/14
  • Construction timeframe: Calendar year 2014 and 2015

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I-495/Route 9 Interchange Related Projects

(Not Directly Addressed in Study)

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SLIDE 17

I-495 / Route 9 Interchange Improvements (HT3)

  • Construction of a Braided Ramp Configuration at the I-

495/ Route 9 Interchange

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Major Infrastructure Improvements Reconstruction of off-ramps in a “Braided” Configuration Construction of four new bridges Eliminates weave on I-495 mainline northbound & southbound Estimated Cost: $25 million

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SLIDE 18

Route 9 Improvements (HT5)

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Congestion & Safety Improvements Widen to three lanes westbound from Computer Dr. to Deerfoot Rd. Widen to three lanes eastbound from Coslin Dr. to Deerfoot Rd. Construction of four new bridges Estimated Cost: $9.2 million

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SLIDE 19

22

Route 9 & Crystal Pond Road Intersection (HT11)

Congestion & Safety Improvements Construct Jughandle for eastbound turns Realign the Verizon Driveway Estimated Cost: $2.1 million

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SLIDE 20

23

Research Drive / Connector Road Improvements (HT8)

Congestion & Safety Improvements Add Turning Lanes Estimated Cost: $685,000

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SLIDE 21

24

Route 9 & Park Central Drive Improvements (HT6)

Congestion & Safety Improvements Relocate Access to Route 9 Removes short, high-speed weave Estimated Cost: $1.5 million

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SLIDE 22

25

I-495 Advanced Traffic Management Systems (ATMS) Update (HT12A)

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SLIDE 23

Barry Lorion District 3 Operations Engineer

barry.lorion@state.ma.us Massachusetts Department of Transportation District 3 403 Belmont Street Worcester, MA 01604 508-929-3830

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MassDOT Contact

September 26, 2014