HomeMy WebLinkAboutCSS 2022-09-12 Item 1C - Update - Parks Speed Zone Camera StudyCity of Tukwila
Allan Ekberg, Mayor
INFORMATIONAL MEMORANDUM
TO: Community Services and Safety Committee
FROM: Eric Dreyer, Chief of Police
CC: Mayor Ekberg
DATE: September 1, 2022
SUBJECT: Parks Speed Zone Cameras — Information Only
ISSUE
Response to Council regarding their request for information about automated speed zone
cameras to address traffic safety near Tukwila parks.
BACKGROUND
Speed Zone Cameras were installed in the school Zone in the 4400 block of S.144th
Street. The cameras have proven effective in reducing the number of speeding
violations in School Zones, increasing safety in the area.
New legislation: Effective July 1, 2022, Sec. 423 of ESSB 5974 authorizes cities to use
a limited number of automated traffic safety cameras to detect speed violations on any
roadway identified in a school walk area, public park speed zone, or hospital speed
zone.
City Council requested recommendations for placement of speed zone cameras to
address safety associated with speed violations near Tukwila parks.
DISCUSSION
A three-day study was conducted by Novoa Global between hours 6AM - 8:30PM,
which coincides with the dawn to dusk park usage. (This timeframe would shorten over
Winter months with the decrease in daylight hours.) Violations of 6 mph over the speed
limit were tracked.
Five parks were selected for the study. These parks and the total of violations over the
three-day period are as follows:
Codiga Park: 8,344
Tukwila Community Center: 4,421
Duwamish Gardens Park: 4,084
Duwamish Park: 2,353 (two-day study)
Macadam Winter Garden: 1762 (two-day study)
The attached study shows the breakdown of violations between 6-10 MPH, and
11+MPH over the speed limit.
Novoa Global reports that one-third to one half of the speed violations near Codiga Park
are commercial semi -trucks. This poses a particular safety concern to the Allentown
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INFORMATIONAL MEMO
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community and also has an impact on safety around the Tukwila Community Center
because of its proximity to Codiga Park.
The School Zone Speed Cameras have been successful in reducing speed in school zones
near Foster High School and Showalter Middle School. As expected, numbers of daily
infractions were reduced, going from 704 to 288 during the timeframe of October 1,2021
through the end of June 2022. This represents a 59% reduction in violations.
The success of reducing speeders in the current camera school zones, suggests expansion of
the systems to streets adjacent to park zones would have similar reductions in speeds.
FINANCIAL IMPACT
Cost for PD Processing
Currently the PD is authorized to staff a commissioned officer to process the school zone
camera violations; however, this position has not been filled, as the PD has been able to absorb
the work associated with these cameras. The PD could potentially take on the workload of a
few more cameras before we would need to add the position. One full time traffic officer would
cost $143,435.00, (2022 estimated salary and benefits). The School Zone Cameras currently in
place would absorb this cost.
Cost for processing for Courts
The Courts have 2.25 FTE's in place with costs being covered currently by the school speed
zone cameras. Court Staff believe that the current staff would be sufficient to process park
zone violations as well.
Fees from Novoa Global
Pricing for the Novoa Global Speed Zone Camera System is as follows $2,999.25 per camera
system, per month. There would be a need for two camera systems per location for a monthly
total of $5,998.50 per month, for each location selected for camera installation. The revenue
generated by the cameras pays for the monthly system cost.
Fees to Washington State
50% of the noninterest fines (after deducting administrative costs) must be remitted to a state
active transportation safety account. This only applies to the new authorization and does not
apply to our school speed zone cameras already in place.
Revenue
Based on the number of violations during the study, If all five parks were implemented, Novoa
Global projects an annual net revenue to the City of approximately $2,250,00.00
RECOMMENDATION
This information is provided to the Council at their request for their consideration.
ATTACHMENTS
Park Speed Zone Camera Study
https://tukwilawa.sharepoint.com/sites/mayorsoffice/cc/Council Agenda Items/Police/Park speed zone camera/Infol Memo Speed Camera Parks.docx
City of Tukwila
Park Speed Studies
^' Novoa Global
Codiga Park
50th Place South, Tukwila, WA
Jul 31 (Sunday)
Veh's 6+ MPH over the limit = 586
Veh's 11+ MPH over the limit = 1,548
Total = 2,134
Aug 1 (Monday)
Veh's 6+ MPH over the limit = 1,274
Veh's 11+ MPH over the limit = 1,747
Total = 3,021
Aug 2 (Tuesday)
Veh's 6+ MPH over the limit = 1,227
Veh's 11+ MPH over the limit = 1,962
Total = 3,189
Tukwila Community Center
12424 42nd Ave South
July 28 (Thursday)
Veh's 6+ MPH over the limit = 923
Veh's 11+ MPH over the limit = 436
Total = 1,359
July 29 (Friday)
Veh's 6+ MPH over the limit = 1,078
Veh's 11+ MPH over the limit =518
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Total = 1,596
July 30 (Saturday)
Veh's 6+ MPH over the limit = 974
Veh's 11+ MPH over the limit = 492
Total = 1,466
Duwamish Gardens
Duwamish trail, Tukwila, WA
Aug 3 (Friday)
Veh's 6+ MPH over the limit = 1,221
Veh's 11+ MPH over the limit = 226
Total = 1,447
Aug 4 (Saturday)
Veh's 6+ MPH over the limit = 1,100
Veh's 11+ MPH over the limit = 235
Total = 1,123
Aug 5 (Sunday)
Veh's 6+ MPH over the limit = 1,236
Veh's 11+ MPH over the limit = 278
Total = 1,514
Duwamish Park (2 days)
11646 42nd Ave S., Tukwila WA
Aug 15 (Monday)
Veh's 6+ MPH over the limit = 655
Veh's 11+ MPH over the limit = 492
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Total = 1,147
Aug 16 (Tuesday)
Veh's 6+ MPH over the limit = 706
Veh's 11+ MPH over the limit = 500
Total = 1,206
Macadam Winter Garden (2 days)
15311 South 144th St. Tukwila
Aug 11 (Thursday)
Veh's 6+ MPH over the limit = 418
Veh's 11+ MPH over the limit = 446
Total = 864
Aug 12 (Friday)
Veh's 6+ MPH over the limit = 420
Veh's 11+ MPH over the limit = 478
Total = 898
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