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

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) � 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

All Electronic Tolling System (AETS) & Interchange Demolition and Reconfiguration (HT13) Update 3

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

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 4 th 2016 weekend. � Adjustments to MassDOT Approved Go-Live TTCP � System-wide Operational Testing – 60 days after Go-Live 6

Project Execution Construction Sequencing Project divided into manageable areas 8

Construction Schedule � 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 9

I-495 / I-90 Go-Live Scenario July 4, 2016 11

I-495 / I-90 Go-Live Scenario 12

I-495/I-90 “Big Build” Interchange Reconfiguration (HT10) Update 13

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 14

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 15

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 16

Route 9 at I-495 Improvements (HT3, HT5, HT6, HT8, HT11) Update 17

I-495/Route 9 Interchange Related Projects (Recommended in Study) o I-495 to Route 9 Braided Ramps (HT3) Approximate Cost: $25 million • Approved MassDOT project: no • Possible construction timeframe: not yet determined • o 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 (Not Directly Addressed in Study) o I-495 over Route 9 Bridge Replacement Approximate Cost: $18 million • Approved MassDOT project: yes • Possible construction timeframe: not yet determined • o 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 • 19

I-495 / Route 9 Interchange Improvements (HT3) Major Infrastructure Improvements � Reconstruction of off-ramps in a o Construction of a Braided Ramp Configuration at the I- “Braided” Configuration 495/ Route 9 Interchange � Construction of four new bridges � Eliminates weave on I-495 mainline northbound & southbound � Estimated Cost: $25 million 20

Route 9 Improvements (HT5) 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 21

Route 9 & Crystal Pond Road Intersection (HT11) Congestion & Safety Improvements � Construct Jughandle for eastbound turns � Realign the Verizon Driveway � Estimated Cost: $2.1 million 22

Research Drive / Connector Road Improvements (HT8) Congestion & Safety Improvements � Add Turning Lanes � Estimated Cost: $685,000 23

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 24

I-495 Advanced Traffic Management Systems (ATMS) Update (HT12A) 25

MassDOT Contact 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 26 September 26, 2014