Fw: South Arlington Transportation Update - the Peanutabout
Cynthia Palmer
From: Arlington County Transportation <ArlingtonTr...@public.govdelivery.com>
Date: Wed, Jun 25, 2025 at 2:35 PM
Subject: South Arlington Transportation Update
To: <pvan...@gmail.com>
| S. George Mason Dr. & S. Four Mile Run Dr. Intersection Safety Improvement Study |
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| This email was sent to pvan...@gmail.com on behalf of Arlington County. |  |
Steve Offutt
Note that the idea of a bridge has been proposed. It would solve that problem, but seems like the sort of thing that would eventually be "value engineered" out for cost reasons.
Cheers,
Steve
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Gillian Burgess
Agreed. It seems like a lot of engineering just to avoid closing the service road
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Cynthia Palmer
Cynthia Palmer
7:20 – 8:00pm S. George Mason Drive Multimodal Transportation Study
Leah Gerber, Transportation Planner, DES / TPCPM
Summary: As part of the S. George Mason Drive Multimodal Transportation Study, Leah discussed the Engagement Summary from Phase 2 of the study and intersection concepts in Phase 3 of the study.
The study will include from Rt
50 down to S Dinwiddie and the Fairfax line. Half of survey respondents said they want
safer intersections. Many expressed interest in a dedicated bikeway. 6 percent
of cars are traveling over 40 mph. 60-70 percent of parking is being used on
weekdays and 55 percent on weekends.
Leah outlined proposed measures
for the different sections of S. George Mason, including a trail on the
northbound side of the road, more narrow travel lanes, prefab barriers, and
sidewalks. There are some high crash zones on S. Geo Mason including in
particular at S Four Mile Run Drive. Leah discussed possible changes to the
traffic and signaling configurations and also the possibility of a “peanut-about.”
The committee discussed intersection safety and concerns with left turning drivers, especially on the downhills; the importance of the lesser intersections; getting rid of extra lanes; the need for safe crossings if sidewalks and bike lanes are concentrated on one side of the road; the challenge of closing off 4MR-Minor; how a peanut-about would function…and whether it would work for peds and bicycle riders with the more circuitous routes and multiple intersections to get around; and on what timeline the upgrades might take place … likely over the next 10 years, not immediate.
Dana
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Randy Swart
Randy
At 6/26/2025, you wrote:
>Agreed. It seems like a lot of engineering just to avoid closing the service road
>
>Well, for people using the trail around the peanutabout, instead of a single, signalized crossing, they will have to make 8 separate at-grade crossings.Â
>
>Cheers,
>Steve
>
>On 6/25/2025 10:06 PM, 'Cynthia Palmer' via Arlington BAC wrote:
>>
>>Thanks Pam for forwarding this update on the "Peanutabout" proposed for South George Mason Drive and Four Mile Run Drive.
>>
>>---------- Forwarded message ---------
>>From: Arlington County Transportation <<mailto:ArlingtonTr...@public.govdelivery.com>ArlingtonTr...@public.govdelivery.com>
>>Date: Wed, Jun 25, 2025 at 2:35 PM
>>Subject: South Arlington Transportation Update
>>To: <<mailto:pvan...@gmail.com>pvan...@gmail.com>
>>
>>
>>S. George Mason Dr. & S. Four Mile Run Dr. Intersection Safety Improvement Study
>>
>>
>>South Arlington Transportation Update
>>
>>
>>
>>June 25, 2025
>>
>>
>>
>>----------
>>
>>What's a Peanutabout? (South George Mason Drive & South Four Mile Run Drive Intersection Safety Improvements)
>>
>>
>>
>>
>>Â
>>The concepts this study examines are:
>>Signalizing and improving the intersection in its current configuration
>>Watch an explainer video by the project manager to learn more about the project background, the two concepts, and next steps in the study, all on the <https://links-2.govdelivery.com/CL0/https:%2F%2Fwww.arlingtonva.us%2FGovernment%2FProjects%2FProject-Types%2FTransportation-Projects%2FS.-George-Mason-Dr.-at-Four-Mile-Run-Dr.-Intersection-Feasibility-Study%23PublicProcess/1/01010197a85fe416-c267bc29-c03c-455c-bc9e-ec3a3d0aa52c-000000/VKZhCvHmAQ9-4XJqc4huBdITug5LmAkGVKMCN9qTzUU=411>project page.
>>
>>----------
>><https://links-2.govdelivery.com/CL0/http:%2F%2Fwww.arlingtonva.us%2F/1/01010197a85fe416-c267bc29-c03c-455c-bc9e-ec3a3d0aa52c-000000/FkuqJtuwUrCZIxTBrWz24U5PJyonQfkykUepUgm9Ud8=411>Â
>><https://links-2.govdelivery.com/CL0/https:%2F%2Fwww.facebook.com%2FArlingtonDES/1/01010197a85fe416-c267bc29-c03c-455c-bc9e-ec3a3d0aa52c-000000/Yr8_qG0hao4CgIHunZYal6QlMZLR4vFirjp4jgih2Dk=411>Â
>>Â Â
>>
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_____________________________
Randy Swart
ra...@helmets.org
Bicycle Helmet Safety Institute
Arlington, VA USA
703-486-0100
helmets.org
Cynthia Palmer
7:20 – 8:00pm S. George Mason Drive Multimodal Transportation Study
Leah Gerber, Transportation Planner, DES / TPCPM
Summary: As part of the S. George Mason Drive Multimodal Transportation Study, Leah discussed the Engagement Summary from Phase 2 of the study and intersection concepts in Phase 3 of the study.
The study will include from Rt
50 down to S Dinwiddie and the Fairfax line. Half of survey respondents said they want
safer intersections. Many expressed interest in a dedicated bikeway. 6 percent
of cars are traveling over 40 mph. 60-70 percent of parking is being used on
weekdays and 55 percent on weekends.
Leah outlined proposed measures
for the different sections of S. George Mason, including a trail on the
northbound side of the road, more narrow travel lanes, prefab barriers, and
sidewalks. There are some high crash zones on S. Geo Mason including in
particular at S Four Mile Run Drive. Leah discussed possible changes to the
traffic and signaling configurations and also the possibility of a “peanut-about.”
The committee discussed intersection safety and concerns with left turning drivers, especially on the downhills; the importance of the lesser intersections; getting rid of extra lanes; the need for safe crossings if sidewalks and bike lanes are concentrated on one side of the road; the challenge of closing off 4MR-Minor; how a peanut-about would function…and whether it would work for peds and bicycle riders with the more circuitous routes and multiple intersections to get around; and on what timeline the upgrades might take place … likely over the next 10 years, not immediate.
I expect most of us (and drivers too) would simply find an alternate route to avoid the Peanutabout, perhaps through the neighborhood.Seems like the County DES would have benefited from a conversation with the BAC/PAC before proceeding with their Concept Design Development and Feasibility Report Development activities.But DES no longer consults with the County's road-safety advisory committees, so here we are...
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Geof Gee
"Sometimes I forget things. Who I am. Where I am. Unimportant things. But I'm not insane. "
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Hanna, K. Mike
They are proposing the add two additional at-grade road crossings to the W&OD – this is a disaster from a biking and ped perspective. (As a driver I kind of like the idea). I am not sure I have seen a proposed road project which has a singular negative impact to cycling since I have been on the BAC. This deserves at least a letter – and potentially testimony to the BOS with regard to the lack of design policies or project input from the BAC.
From: 'Cynthia Palmer' via Arlington BAC <arling...@googlegroups.com>
Sent: Friday, June 27, 2025 5:14 PM
To: Arlington BAC <arling...@googlegroups.com>
Cc: Pamela Van Hine <pvan...@gmail.com>
Subject: Fw: [Arlington BAC] Fw: South Arlington Transportation Update - the Peanutabout
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Steve Offutt
The design that is being proposed does not suggest the cyclists navigate the peanutabout in the travel lanes, but rather follow the same path as pedestrians across 8 separate crossings. Take a look at the graphics, and you will see what we mean. And even though it would be the case the peds and cyclists legally have the ROW at each of these crossings, the actual experience is likely to be - at the very least - inconvenient, if not actually dangerous.
Cheers,
Steve
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Steve Offutt
Cheers,
Steve
-------- Forwarded Message --------
| Subject: | RE: [Arlington BAC] Fw: South Arlington Transportation Update - the Peanutabout |
|---|---|
| Date: | Mon, 30 Jun 2025 12:49:41 +0000 |
| From: | Brian Shelton <bshe...@arlingtonva.us> |
| To: | Steve Offutt <st...@offuttemail.com> |
Hi Steve,
Thanks for the response.
The peanutabout image used in the video is a concept from the South George Mason Drive study completed a few years ago. The intersection feasibility study will update the signalized intersection and peanutabout concept designs with a particular focus for safety and comfort for people walking and biking. An element that will be included in both concepts is a grade separated crossing for riders along the W&OD Trail. The concepts will be shared in the fall. I’d like to hear the perspective of the BAC and will open the conversation then.
Thanks,
Brian Shelton
Principal Planner, Active Transportation
Transportation Planning and Capital Projects Management
Arlington County Department of Environmental Services
2100 Clarendon Blvd., Suite 900, Arlington, VA 22201
Email: bshe...@arlingtonva.us
Mobile: (571) 447-3830
Please note that any email sent to/from Arlington County email addresses may be subject to disclosure under the Freedom of Information Act (FOIA).
From:
Steve Offutt <st...@offuttemail.com>
Sent: Friday, June 27, 2025 5:06 PM
To: Brian Shelton <bshe...@arlingtonva.us>
Subject: Fwd: [Arlington BAC] Fw: South Arlington
Transportation Update - the Peanutabout
|
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EXTERNAL EMAIL |
Hello Brian,
The Bicycle Advisory Committee has noted the proposals for
the S. George Mason Drive intersection. I share a few
thoughts below.
A question re: the peanutabout: for a cyclists traveling
along the W&OD, how many stop signs will they have to
encounter to get from one side of the intersection to the
other? To me it looks like 8.
Or will the automobile traffic have the stop signs, allowing
the ROW to the trail users?
Or something else?
It's extremely difficult for me to ascertain how this
improves anything for users of the trail: it seems more
inconvenient, adds time, and is less safe.
Thanks,
Steve Offutt
-------- Forwarded Message --------
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Subject: |
Re: [Arlington BAC] Fw: South Arlington Transportation Update - the Peanutabout |
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Date: |
Thu, 26 Jun 2025 16:11:55 -0400 |
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From: |
Randy Swart <ra...@helmets.org> |
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Reply-To: |
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To: |
