[Neighbors] Nob Hill seeks your support on Lead and Coal Aves.

[vaneldredge]

Great work Jim. In your research were you able to determine if this equipment is manufactured in New Mexico? If not, is Representative Chasey willing to send a quarter of a million dollars in Capital outlay money to an out of state company?Thanks for all the information. VanSent from my Verizon, Samsung Galaxy smartphone
-------- Original message --------From: Jim Barrera via Neighbors_nobhill-nm <neighbors_nobhill-nm at mailman.swcp.com> Date: 2/10/21  12:48 PM  (GMT-07:00) To: Melodie Eyster <meyster1 at me.com> Cc: gail at gailchasey.com, Joseph Aguirre <jaguirre_87106 at yahoo.com>, a.sedillolopez at nmlegis.gov, TheBoard <theboard at nobhill-nm.com>, Neighbors Nob Hill <neighbors at nobhill-nm.com>, John Pate <JPate at molzencorbin.com> Subject: Re: [Neighbors] Nob Hill seeks your support on Lead and Coal Aves. A couple neighbors asked me to weigh in on this issue, so I
will share what I know.

There are
some speed-actuated traffic signals in operation elsewhere in the U.S.  One type has the signals “rest in red” on all
approaches.  When the detectors sense
vehicles approaching at or under the speed limit, the system gives that
approach a green light.  If the detectors
sense vehicles approaching at above the speed limit (possibly with some leeway
allowed), it holds that approach on red until the vehicles arrive and have to
stop.

Traffic
engineers have learned several things about these systems: 

1.  For them to be effective, there must be
driver education about the system. 
Drivers must understand that their behavior (speed) is directly
affecting whether they get a green light or not.

2.  Related to #1, these systems may be effective
at isolated intersections with single-lane approaches, where the
behavior/reward is obvious to the driver. 
They are not considered effective for roadways with multiple lanes, where other
vehicles will often trigger the system punishing everyone else who was traveling
at the speed limit. 

3.  They are not recommended for roadways with high
traffic volumes.  Other cities have found
that about 5,000 vehicles per day is the maximum traffic where these systems
work well.  Lead/Coal each move upwards
of 14,000 vehicles per day.  At these
higher traffic volumes, such systems triggering extra red lights will just
cause unnecessary congestion. 

4.  These systems can work well at isolated
intersections, but they are inappropriate for a corridor with timed coordinated
traffic signals.  Lead/Coal is a
coordinated corridor with signals timed for 30 MPH.  During peak commute periods, they move the
platoons of vehicles efficiently through the system.  A speeding vehicle in the middle of the night
may be stopped by this system, but during rush hour, just a few activations
will turn Lead/Coal into gridlock.  

A second type
of system is not rest-in-red, but one that operates like a normal traffic
signal alternately giving the main street and cross streets green lights/red
lights.  When the green is on the main
street and it senses a vehicle approaching at above the speed limit, the system
will change it to yellow and then red. 
The system would have to detect the speeding vehicle far enough in
advance of the intersection that the safe required yellow time can be provided and
go to red before the vehicle arrives.  On
Lead/Coal, this type of operation may be effective to curtail the excessive
speeders in off-peak hours like at night when there is little traffic.  But it would still be inappropriate to do
this during coordinated timed operation for peak traffic hours.  `jimbOn Mon, Feb 8, 2021 at 11:13 AM Melodie Eyster via Neighbors_nobhill-nm <neighbors_nobhill-nm at mailman.swcp.com> wrote:Good morning, Antoinette and Gail. Nob Hill and surrounding neighborhoods need your support for the Lead & Coal Safety Upgrades Capital Outlay Request, LCS Project ID 1275. Capital Outlay Request Amount: $250kTotal Project Cost: $350kFunding Secured: $100kState ICIP Project ID: 30957LCS Project ID: 1275 Along with our sister associations, University Heights and Southeast Heights, Nob Hill Neighborhood Association has long sought an answer to the speeding, reckless driving, and high speed accidents on Lead & Coal Aves. We’ve tried virtually everything but the situation is still horrible.City Councilor Pat Davis has come up with an innovative idea to install speed sensitive traffic signals known as rest in red signals that only turn green when the approaching vehicle is traveling at or below the speed limit. The project is in the study and design phase.The capital outlay request of $250,000 would be combined with City funds of $100,000 to implement this project, save lives, and enhance quality of life for hundreds of families on the corridor.  We urge your support and we urge any neighbor who feels the same to reach out as well. Kind regards, Gary EysterPresident, Nob Hill Neighborhood Association  _______________________________________________
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