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Author Topic: Check out these signal plans!  (Read 1810 times)

Amtrakprod

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Check out these signal plans!
« on: December 17, 2021, 06:20:47 PM »
This is a really neat new signal that is being installed now in Cambridge MA. https://www.cambridgema.gov/-/media/Files/publicworksdepartment/Engineering/cityprojects/inmansquare/inmansq_ifb_compiledplans.pdf (page 80/81 for plans).

Just figured I'd share!

Twitter photo links as well -

Photos of construction: ?s=20

Screenshot of plans: ?s=20

This signal includes 8" and 4" bicycle signals, with all sorts of unique phasing. A transit signal has been planned, and a right turn FYA doghouse. The timing is quite unique as well. One thing I was confused by was the specification for a cowbell tone for the audible pedestrian signal. Guess I'll see what happens when they're activated !
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Roadgeek, railfan, and crossing signal fan. From Massachusetts, and in high school. Youtube is my website link. Loves FYAs signals. Interest in Bicycle Infrastructure. Owns one Leotech Pedestrian Signal, and a Safetran Type 1 E bell.

tolbs17

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Re: Check out these signal plans!
« Reply #1 on: December 17, 2021, 06:28:37 PM »
Very unique...

It would be nice if they went from Red to Red-Yellow and then to Green.


We have signals proposed at the US-13/US-264 ALT and Frog level intersection, but it would most likely be a normal design rather than that unique design you listed above.
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CardInLex

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Re: Check out these signal plans!
« Reply #2 on: December 17, 2021, 07:28:20 PM »
Plans look like they will be using bike boxes and two stage bike turn boxes as well. Love seeing those!
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Amtrakprod

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Re: Check out these signal plans!
« Reply #3 on: December 18, 2021, 10:04:41 PM »
Quote from: CardInLex on December 17, 2021, 07:28:20 PM
Plans look like they will be using bike boxes and two stage bike turn boxes as well. Love seeing those!
Protected intersections and bicycle signals are used as well ! I love the 4 bike signals


iPhone
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Roadgeek, railfan, and crossing signal fan. From Massachusetts, and in high school. Youtube is my website link. Loves FYAs signals. Interest in Bicycle Infrastructure. Owns one Leotech Pedestrian Signal, and a Safetran Type 1 E bell.

Amtrakprod

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  • Posts: 788
  • In support of an all flashing yellow arrow USA!

  • Age: 17
  • Location: Arlington, MA
  • Last Login: Today at 08:36:58 AM
    • Amtrak Productions
Re: Check out these signal plans!
« Reply #4 on: December 18, 2021, 10:05:59 PM »


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Roadgeek, railfan, and crossing signal fan. From Massachusetts, and in high school. Youtube is my website link. Loves FYAs signals. Interest in Bicycle Infrastructure. Owns one Leotech Pedestrian Signal, and a Safetran Type 1 E bell.
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