Greater Orlando Signal Priority and Preemption

Project Description: Installing transit signal priority (TSP) and emergency vehicle preemption equipment throughout Orange and Seminole Counties. Will upgrade 608 intersections and 139 controllers. Will also install 183 GPS on fire trucks.

Project Status: Planned

Project Stakeholders:

• City of Orlando
• County and City Public Safety Agencies
• FDOT District 5
• LYNX
• Orange County
• Osceola County
• Seminole County

Project Service Packages:

• PT09: Transit Signal Priority (Greater Orlando Transit Signal Priority Project)

Project Information Flows:

Information Flow	Source Element	Destination Element	Status
local signal preemption request	County Fire EMS/Rescue Vehicles	City of Orlando Field Equipment	Existing
local signal preemption request	County Fire EMS/Rescue Vehicles	Orange County Field Equipment	Existing
local signal preemption request	County Fire EMS/Rescue Vehicles	Osceola County Field Equipment	Planned
local signal preemption request	County Fire EMS/Rescue Vehicles	Seminole County Field Equipment	Existing
local signal priority request	LYNX Transit Vehicles	City of Orlando Field Equipment	Existing
local signal priority request	LYNX Transit Vehicles	Orange County Field Equipment	Existing
local signal priority request	LYNX Transit Vehicles	Osceola County Field Equipment	Planned
local signal priority request	LYNX Transit Vehicles	Seminole County Field Equipment	Existing
signal control status	City of Orlando Field Equipment	FDOT District 5 RTMC	Existing
signal control status	Orange County Field Equipment	FDOT District 5 RTMC	Existing
signal control status	Osceola County Field Equipment	FDOT District 5 RTMC	Planned
signal control status	Seminole County Field Equipment	FDOT District 5 RTMC	Existing
signal priority status	City of Orlando Field Equipment	County Fire EMS/Rescue Vehicles	Existing
signal priority status	Orange County Field Equipment	County Fire EMS/Rescue Vehicles	Existing
signal priority status	Osceola County Field Equipment	County Fire EMS/Rescue Vehicles	Planned
signal priority status	Seminole County Field Equipment	County Fire EMS/Rescue Vehicles	Existing

Project Functional Requirements (Element - Functional Object):

• City of Orlando Field Equipment - Roadway Signal Control
• 1: The field element shall control traffic signals under center control.
• 10: The field element shall receive request for transit vehicle signal priority.
• 4: The field element shall report the current signal control information to the center.
• 5: The field element shall report current preemption status to the center.
• 6: The field element shall return traffic signal controller operational status to the center.
• 7: The field element shall return traffic signal controller fault data to the center.
• 8: The field element shall report current transit priority status to the center.


• City of Orlando Field Equipment - Roadway Signal Preemption
• 1: The field element shall respond to signal preemption requests from emergency vehicles.


• County Fire EMS/Rescue Dispatch - Emergency Routing
• 6: The center shall track current emergency vehicle location and status along with other emergency vehicle characteristics.


• County Fire EMS/Rescue Vehicles - EV On-Board En Route Support
• 1: The emergency vehicle, including roadway service patrols, shall track its current location.
• 2: The emergency vehicle, including roadway service patrols, shall send the vehicle's location and operational data to the center for emergency management and dispatch.


• FDOT District 5 RTMC - Emergency Routing
• 1: The center shall collect current traffic and road condition information for emergency vehicle route calculation.
• 2: The center shall receive information on the location and status of traffic control equipment and work zones along potential emergency routes.


• LYNX Transit Vehicles - Transit Vehicle Signal Priority
• 1: The transit vehicle shall determine the schedule deviation and estimated times of arrival (ETA) at transit stops.
• 2: The transit vehicle shall send priority requests to traffic signal controllers at intersections, pedestrian crossings, and multimodal crossings on the roads (surface streets) and freeway (ramp controls) network that enable a transit vehicle schedule deviation to be corrected.


• Orange County Field Equipment - Roadway Signal Control
• 1: The field element shall control traffic signals under center control.
• 10: The field element shall receive request for transit vehicle signal priority.
• 4: The field element shall report the current signal control information to the center.
• 5: The field element shall report current preemption status to the center.
• 6: The field element shall return traffic signal controller operational status to the center.
• 7: The field element shall return traffic signal controller fault data to the center.
• 8: The field element shall report current transit priority status to the center.


• Orange County Field Equipment - Roadway Signal Preemption
• 1: The field element shall respond to signal preemption requests from emergency vehicles.


• Orange County TMC - TMC Signal Control
• 1: The center shall remotely control traffic signal controllers.


• Osceola County Field Equipment - Roadway Signal Control
• 1: The field element shall control traffic signals under center control.
• 10: The field element shall receive request for transit vehicle signal priority.
• 4: The field element shall report the current signal control information to the center.
• 5: The field element shall report current preemption status to the center.
• 6: The field element shall return traffic signal controller operational status to the center.
• 7: The field element shall return traffic signal controller fault data to the center.
• 8: The field element shall report current transit priority status to the center.


• Osceola County Field Equipment - Roadway Signal Preemption
• 1: The field element shall respond to signal preemption requests from emergency vehicles.


• Seminole County Field Equipment - Roadway Signal Control
• 1: The field element shall control traffic signals under center control.
• 10: The field element shall receive request for transit vehicle signal priority.
• 4: The field element shall report the current signal control information to the center.
• 5: The field element shall report current preemption status to the center.
• 6: The field element shall return traffic signal controller operational status to the center.
• 7: The field element shall return traffic signal controller fault data to the center.
• 8: The field element shall report current transit priority status to the center.


• Seminole County Field Equipment - Roadway Signal Preemption
• 1: The field element shall respond to signal preemption requests from emergency vehicles.


• Seminole County TMC - TMC Signal Control
• 1: The center shall remotely control traffic signal controllers.

Standards:

• US: NTCIP Traffic Signal - SNMPv3/TLS
• US: SAE Signal Preemption - WAVE TCP

Project Operational Concepts:

Roles and Responsibilities

• FDOT District 5
• Operate select traffic signal systems in the FDOT District 5 region.


• Orange County
• Provide transit signal priority for regional transit providers using roadside devices.


• Seminole County
• Provide transit signal priority for regional transit providers using roadside devices.


• Osceola County
• Manage traffic signals for Osceola County.
• Provide transit signal priority for regional transit providers using roadside devices.


• LYNX
• Coordinate with FDOT District 5 for traffic signal priority.
• Coordinate with Orange County for traffic signal priority.
• Coordinate with Osceola County for traffic signal priority.
• Coordinate with Seminole County for traffic signal priority.


• City of Orlando
• Operate traffic signal systems, including CCTVs, signals, and sensors, for the City of Orlando.
• Provide transit signal priority for regional transit providers using roadside devices.


• County and City Public Safety Agencies
• Coordinate with City of Orlando TMC, Orange County TMC, Osceola County Traffic Operations Center, Seminole County TMC for signal preemption for emergency vehicle.


• County Public Safety Agencies - Fire/EMS
• Suggest routes to fire/EMS vehicles in response to emergencies and track Fire and EMS vehicles to incidents.