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Re: Alma/Ravenswood Trial Installation

From: domainremoved <Cat>
Date: Mon, 14 Sep 2015 16:15:54 -0700

All,

After I saw these numbers last week, I decided that it was advisable to end the trial for the right turn to Alma. As per Nikki’s professional opinion, we will continue the trail of the blocked left turn from Alma for the rest of the trial. This will continue to be reviewed, and, of course, this could also change as per the observations of the traffic movement.

Ray and I agree that we can continue with the trial updates and no longer need to discuss this formally at the Council meeting the 29th. I will simply report out the changes during that meeting, so that they are on record.

If anyone has any further questions about the trials or the results we have so far, please contact Nikki directly.

All the best,

Catherine




> On Sep 14, 2015, at 12:58 PM, Nagaya, Nicole H <nhnagaya_at_(domainremoved)
>
> Hi all,
>
> My sincere apologies, as I had put an email together to send out last Friday, but didn’t make it through my outbox – I’m sorry for the oversight.
>
> Please find below a summary of key notes for the trial installation for Alma/Ravenswood, and feel free to let me know if you have any questions.
>
> Thank you, and apologies again for the oversight and confusion.
>
> Best,
> Nikki
>
> · Request for improvements by the community came after Feb 2015 fatal collision
> · Modifications were made quickly and at low cost (<$20k) for temporary barriers
> · 6-month trial installed in early June; will run through approximately November
> · Transportation staff has been monitoring the installation, and made the following tweaks to the installation:
> o Lengthened the median barrier to prevent cut-through traffic on Noel Drive
> o Changed the signal at Laurel/Ravenswood to a 3-way signal (separates north and south Laurel traffic; better pedestrian and bike safety)
> o Replaced the poles along Ravenswood with shorter poles when sight lines to Ravenswood crosswalk were found to be reduced with the changes
> · First phase data showed some improvement; however, congestion on Ravenswood increased risk of vehicles getting stuck on the rail crossing during evening commute hour (see table 1 below)
> · Right-turn barriers will be removed Tuesday, Sept 15th. Left-turn median barriers to remain; Transportation Division will continue to monitor for rest of trial duration.
>
> Table 1: Summary of Fouling Incidents1
> Time Period
> Direction of Travel
> Dec-13
> Apr-15
> Jul-15
> 7:00 – 9:00 am
> Eastbound
> 7
> 16
> 4
> Westbound
> 1
> 0
> 0
> 4:00 – 6:00 pm
> Eastbound
> 13
> 13
> 40
> Westbound
> 15
> 1
> 0
> 1. “Fouling” is defined as a vehicle or pedestrian’s presence on the rail crossing. Incident frequency was determined by reviewing video data collected at the rail crossing
> December 2013 collected by Caltrain; April and July 2015 by City of Menlo Park
>
>
>
>
> Nicole H. Nagaya, P.E.
> Transportation Manager
> City of Menlo Park
> P: 650.330.6781
> e: nhnagaya_at_(domainremoved)
Received on Mon Sep 14 2015 - 16:14:41 PDT

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