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kernals12:
MassDOT is putting the 495/90 Interchange rebuild up for bid in March 2022
https://hwy.massdot.state.ma.us/webapps/const/statusReport.asp

DJStephens:

--- Quote from: kernals12 on November 24, 2021, 07:31:20 PM ---MassDOT is putting the 495/90 Interchange rebuild up for bid in March 2022
https://hwy.massdot.state.ma.us/webapps/const/statusReport.asp

--- End quote ---

   Exit  11A.  $339 million.  Symmetrical stack?  Segmental?  Steel girder? Could one be built up there for that money?   
   Perhaps some some of Turbine, with de-emphasis on 90 W to 495 N, and 495 S to 90 W movements, due to existence of I-290.  Guessing EZ-Pass largely eliminates the need for a wonky trumpet, correct?   

fwydriver405:

--- Quote from: DJStephens on November 25, 2021, 10:15:05 AM ---Exit  106 (old exit 11A).

--- End quote ---

FTFY (exits were converted to a mileage based system between 12/13/20 and 1/15/21 on the Mass Turnpike). This interchange is exit 58 (old exit 22) on Interstate 495.


--- Quote from: DJStephens on November 25, 2021, 10:15:05 AM ---$339 million.  Symmetrical stack?  Segmental?  Steel girder? Could one be built up there for that money?   
   Perhaps some some of Turbine, with de-emphasis on 90 W to 495 N, and 495 S to 90 W movements, due to existence of I-290.  Guessing EZ-Pass largely eliminates the need for a wonky trumpet, correct?

--- End quote ---

I believe this Mass.gov website goes over the proposed design for this interchange:
https://www.mass.gov/i-495i-90-interchange-improvements

roadman65:
https://www.mass.gov/info-details/sumner-tunnel-restoration-project-details
I see the Sumner Tunnel will be closed in 2023 for a short period to refurbish the almost 90 year facility.

That I am sure will be a nightmare while that is being done as it looks like the Callahan will remain outbound, so the Ted Williams Tunnel will have to carry the load.

kernals12:

--- Quote from: roadman65 on December 05, 2021, 11:16:05 PM ---https://www.mass.gov/info-details/sumner-tunnel-restoration-project-details
I see the Sumner Tunnel will be closed in 2023 for a short period to refurbish the almost 90 year facility.

That I am sure will be a nightmare while that is being done as it looks like the Callahan will remain outbound, so the Ted Williams Tunnel will have to carry the load.

--- End quote ---

No you don't understand, people will respond to the loss of capacity by going to the airport less. I am very smart.  :bigass:

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