Traffic Safet y Division
Public Works
Traffic Safety
visalia.gov
Traffic Safety Staff
(1) Traffic Operations Supervisor
(1) Senior Traffic Safety Worker
(2) Traffic Signal Technicians
(1) Utility Line Locator
(1) Part-time Traffic Safety Worker
Traffic Safety
The City of Visalia currently has 137 traffic signals, approximately 4,000 streetlights, nearly 20,000 regulatory and street name signs, an estimated 1,000,000 sq. ft. of pavement markings, and 9-10,000 annual 811 USA tickets called in. 1
Annual traffic signal maintenance and repairs
Streetlight repairs
Regulatory and street name sign repair and citywide
replacement
School-zone flasher maintenance and repairs
Pavement markings and curb-paint maintenance
Marking miles of conduits, storm drains, and sanitary sewer lines that require 811 USA response visalia.gov
Traffic Safety
1 Programming controllers and timing for the traffic signals An average of 12 signal pole knockdowns and 13 streetlight knockdowns annually Assisting the Streets Division with after - hours callouts when needed Managing over 400 annual CSR workorders related to traffic signals, streetlights, pavement markings, curb paint and street signs
visalia.gov
Traffic Safety
Traffic signal maintenance
Preventative maintenance (PM) is
performed on 10-14 intersections each
month. Each inspection includes a
thorough check of the electrical systems
and components within the signal
cabinets, as well as testing and
cleaning. We also verify all vehicle and
pedestrian indicators, test pedestrian
push buttons, and check vehicle
detection systems (including video,
radar, induction loops, and EMS
preemption). Lastly, we ensure that
signal timing is current and accurate.
visalia.gov
Traffic Safety
Traffic signal troubleshooting
Troubleshooting a traffic signal
requires careful thought and years of
hands-on experience. A properly
functioning signal involves many
components working together, from
the input file (such as induction
loops, video detection, and radar) to
the controller programming and
timing, output file, and the field
wiring.
visalia.gov
Traffic Safety
visalia.gov
Replacing damaged video
detection camera
Traffic signal battery
backup system
Traffic Safety
visalia.gov
Iteris video detection at
Caldwell and Demaree
Traffic Safety
visalia.gov
Iteris radar advance trigger
line at Caldwell and Demaree
Traffic Safety
visalia.gov
Current maps of traffic signal
and streetlight locations
137 city owned traffic signals Approximately 2,000 city owned streetlight currently mapped
Traffic Safety
We conduct regular streetlight checks to
ensure all city-owned lights are
operational. This involves driving through
sections of the city and identifying any
lights that are out. Since this must be done
at night, we schedule early morning shifts
to allow us to compile a list of lights that
need attention. Once identified, we
replace the faulty fixture with new, energyefficient LED fixtures. visalia.gov
Streetlight repair
Traffic Safety
Damaged streetlighting wiring is a recurring issue.
One of the main causes is ant damage, these insects
often eat through the insulation, leading to shorts
circuits and tripped breakers. Ant-related damage is
something we must repair on a regular basis.
visalia.gov
Replacing underground conductors
Traffic Safety
811 USA markings
All of the city’s underground
infrastructure, including traffic
signal, streetlight and fiber
optic conduits, storm drain
and sanitary sewer lines
must be accurately located,
marked, and documented.
Everyday each (811) USA Dig
ticket that comes through
must be reviewed, marked
out, and signed off to ensure
protection of all city utilities
during excavation.
visalia.gov
Traffic Safety
Sign replacement and knockdown repair
The city is divided into 14 sections for the
blanket replacement of regulatory and street
name signs. Each section is fully surveyed
before placing an order for new signs. Once
the order is received, installation and updates
to the city’s inventory log take several months
to complete.
Surveying typically takes place in late winter
and early spring, allowing sign orders to be
placed and manufactured during the paint
season.
When the painting season ends, the focus
shifts to sign replacement, which continues
through the fall and winter months.
visalia.gov
Traffic Safety
visalia.gov
Sign making
1. Each sign must be
designed according to
our standards
2. Use the
computer and
printer to print
the sign
3. The plotter
then cuts each
sticker out
4. Then
comes
fabrication,
adhering the
sheeting to
the blank
metal sign
5. Finally the
installation of the
anchor, telespar
pole and sign
Traffic Safety
visalia.gov
End of road
barricades
With an estimated 115 end-of-road
barricades throughout Visalia, a
fair amount of maintenance is
required each year. Repairs are
often needed due to accidents,
vandalism, fading from age, and
weeds that grow around or in front
of the barricades.
Traffic Safety
Long line striping
Lane striping is completed by a contractor using a
specialized paint striping truck designed to
efficiently paint long, straight lines. The city is
divided into quadrants, and each year the
contractor stripes the quadrant diagonally opposite
(caddy-corner) to that year’s reclamite project. This
rotation ensures all city street lines are refreshed
every other year. Our in-house paint crew use a
small walk behind paint machine to restripe small
sections when there has been pavement repairs by
the Street Department.
visalia.gov
Traffic Safety
visalia.gov
Pavement markings
and curb painting
During the summer months, the paint
crew is responsible for refreshing the
city’s pavement markings and curb
paint. We focus on areas where the
paint has become old or faded. The
only exceptions are downtown areas
and school zones, which we aim to
repaint every year.
Traffic Safety
visalia.gov
School crosswalks, stop bars,
curb paint and parking stalls all
need to be refreshed annually
Traffic Safety
At the end of November, our team installs all the Christmas decorations throughout the downtown area. Once the holiday season ends, we return to remove and store them for next year. visalia.gov
Everyone's favorite time of year
Traffic Safety
visalia.gov