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Traffic Signals & Signs
The Traffic Signals and Signs Division (TS&S) of the Miami-Dade Transportation and Public Works Department is responsible for operating and maintaining Miami-Dade County's traffic-related infrastructure to assure the safe and efficient flow of pedestrian and vehicular traffic on the arterial street network. TS&S has approximately 130 professional, technical and support staff working in the following areas.
Traffic signal operations and maintenance
The Miami-Dade County Traffic Control Center (TCC) contains one of the country's largest centralized traffic signal control systems. The original system was installed over a 10-year period beginning in 1975 and set the standard by which most computerized signal systems were installed throughout the country.
It monitored and controlled 2,000 traffic signals on all major arterials in Miami-Dade County for decades. Between 2005 and 2010, it was replaced with an Advanced Traffic Management System (ATMS), which enabled further traffic flow improvements at all of the County’s 2,800 traffic signals.
The TCC is also home to the TS&S Division’s traffic signal operations staff. Using the aforementioned system, Signal Operations Engineers adjust the operation of the traffic signals to maximize the safety and throughput of vehicles and pedestrians to cater to demands as they change throughout the day and from day to day. Special patterns are also implemented to maximize the flow of traffic into and out of special events.
Traffic Signal field and bench technicians are on duty at all times to attend to any routine or emergency maintenance problems that arise with the system or the individual signalizations.
School speed zone and other flashing signs
The TS&S Division also operates and maintains about 750 school speed zone flashing signs and over 150 other flashing signs and reversible lane control gantries. The school speed zone flashers are turned on and off as required to warn motorists to slow down when they are in a school zone, thereby helping to assure the safety of elementary and middle school children.
Please report any needed maintenance at devices described above to email@example.com or firstname.lastname@example.org so a Field Technician can be dispatched.
The TS&S Division maintains almost one million reflective and illuminated, ground-mounted and overhead, signs throughout Miami-Dade County including Stop, Yield, Do Not Enter, street name, One-Way, No Parking, etc. New signs are manufactured in the TS&S Division Sign Shop. Field Technicians then install them at new locations or in replacement of faded or damaged signs which are then recycled.
The TS&S Division has roadway striping personnel who replace faded pavement markings on county owned roads on a limited basis. The Department relies on contractors for major restriping projects.
The TS&S Division maintains over 24,000 of the streetlights on MDC arterials.
Street Light -- online application
Traffic signals & signs resources
- Qualified Products List -- online application
- County Specifications -- General Requirements
- Notice to Municipalities - Procurement & Installation of Traffic Control Devices in Miami-Dade County
- Typical Wiring & Installation Details - Internally Iluminated Street Name Signs
- Technical Specifications - Electronic Speed Feedback Signs
- Section 600 General Provisions for Traffic Control Devices
- LED Pedestrian Signal Modules - Hand/Person/Countdown
- Section 654 Rectangular Rapid Flashing Beacons
- Section 639 Electrical Power Service Assembly
- Section 660 Vehicle Detection System
- Section 641 Prestressed Concrete Poles
- Section 682 Traffic Management CCTV Cameras
- Section 630 Conduit
- Section 635 Pull, Splice, and Junction Boxes
- Section 671 2070LX Traffic Signal Controllers
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