The Regional ITS Architecture resulted from the consensus input of a diverse set of stakeholders, encompassing traffic, transit, public safety, and many other operating agencies at local, state, and national levels. It includes both public and private sectors and spans the organizations that manage, support, or are impacted by the surface transportation system, with particular focus on agencies that operate transportation systems in the region.

AmtrakAMTRAK operates long distance intercity heavy rail service in the US and Canada.
Archive Data UsersThis stakeholder represents individuals and organizations that use archive data products from any archive management system. This may include computer applications or modeling systems utilizing the archived data.
Cal OES – Governors Office of Emergency ServicesCalifornia Office of Emergency Services has numerous branches focused on the effective use of technology and improved communications to support statewide interoperability. They are responsible for overall state agency response to disasters, sssuring the state's readiness to respond to, recover from all hazards and assist local governments in their emergency preparedness, response, recovery and mitigation.
Cal STAThe California State Transportation Agency coordinates the policies and programs of California's state transportation entities including California Highway Patrol, Caltrans, Department of Motor Vehicles and others.

915 Capitol Mall, Suite 350B
Sacramento, California 95814
California DMVThe State of California, Department of Motor Vehicles provides services for residents of the state pertaining to driver's license, registration, and other services. They also provide license information to law enforcement agencies throughout the state to verify licenses, etc.
California Public Utilities Commission (CPUC)The CPUC regulates services and utilities, protects consumers, safeguards the environment, and assures Californians' access to safe and reliable utility infrastructure and services. The essential services regulated include electric, natural gas, telecommunications, water, railroad, rail transit, and passenger transportation companies. On this website you'll find information about the many initiatives underway at the CPUC.
California Toll Operators Committee (CTOC – FasTrak)CTOC is the statewide oversight and standards committee for tolling interoperability. FasTrak is the tolling brand by trademark. FasTrak can be used anywhere in the state of California and the logo is displayed in the State of California. In the Bay Area, FasTrak toll tags can be used on all toll bridges, express lanes, and at parking facilities at the San Francisco International Airport. In Southern California, FasTrak can be used on toll roads and express lanes.

SANDAG coordinates payment when vehicles are not registered with SANDAG but are passing through the San Diego region.
Caltrans District 11The California Department of Transportation, Caltrans District 11, is responsible for managing, operating, and/or maintaining state–owned transportation infrastructure (roads, airports, transit, railways, within District 11 that borders Mexico. Caltrans has many ITS elements including signals, DMS, lane control, Traffic Management Center (TMC), cameras, HOVs, lane closure system, security cameras, work zone equipment, and other supporting ITS equipment. Services include a broad spectrum of integrated corridor management strategies, advanced traffic management, traffic incident management, traveler information, and much more.
Caltrans HQCalifornia Department of Transportation Headquarters (Caltrans HQ) is the owner of the statewide ITS Architecture. They also own ITS field equipment which provides data to the Caltrans Performance Measurement System (PeMS).
Car Rental AgenciesCar rental facilities located in airports and multimodal facilities
CHP – CA Dept of Public SafetyState Department of Public Services typically has a State Police or Highway Patrol.
CHP – Commercial Vehicle SectionThe Commercial Vehicle Section of California Highway Patrol (CHP) is part of state agencies administering commercial vehicle registration, licensing, and enforcement.
City of San DiegoThe City of San Diego has over 1500 traffic signals with three phases of additional signals planned throughout the coming 10 years. With 1.4 Million residents, San Diego is a city on the Pacific coast of California known for its beaches, parks and warm climate and which attract many visitors each year. It is also home to a large port with transportation activities involving coast to coast shipping, an active naval fleet, and all the activities that surround a large city.
Connected Vehicle PartnershipThis stakeholder represents a statewide Committee committed to deploying connected vehicles in California in the future. The partnership includes the California Department of Motor Vehicles (DMV), Caltrans, the California Highway Patrol (CHP), California State Transportation Agency (CalSTA), and the California Public Utilities Commission (CPUC)
Electronic Charging Station Owners/OperatorsThis stakeholder includes Blink, private companies, public agencies, any company that owns and operates electronic charging stations throughout the region.
FHWAThe United States Department of Transportation – Federal Highway Administration (FHWA) serves in an advisory capacity, providing funding for numerous transportation initiatives. They are a stakeholder in the region with ITS, autonomous, and connected vehicle applications. FHWA also owns the Vehicle Travel Information System (VTRIS) software which provides an archive of traffic monitoring data.
Financial Institutions – Crypto–currencyCrypto–currency stakeholders represent financial institutions that participate in market–based projects other than tolling or parking.
Financial Institutions – Tolling–ParkingTolling and parking stakeholders include financial companies involved in electronic payment transactions for tolling and parking.
FMCSAThe Federal Motor Carrier Safety Agency (FMCSA) is a component of the US Department of Transportation. Their primary mission is to reduce crashes, injuries and fatalities involving large trucks and buses. FMCSA develops and enforces data–driven regulations that balance motor carrier (truck and bus companies) safety with industry efficiency; identifies higher risk carriers in enforcing the safety regulations, educates carriers, commercial drivers, and the public; and partners with stakeholders including Federal, State, and local enforcement agencies, the motor carrier industry, safety groups, and organized labor on efforts to reduce bus and truck–related crashes.
Freight Distribution Center OwnersThis stakeholder represents freight distribution and logistics centers that provide support for the distribution of freight across transport systems and modes.
Freight ShippersAgents who coordinate the logistics of transportation. These organizations engage in the shipment of freight by multiple means, including road–going trucks as well as using other modes such as heavy rail, air, sea, etc.
Level 1 Cities in San DiegoLevel 1 Cities stakeholders include the cities of Coronado, Del Mar, El Cajon, Encinitas, Escondido, Imperial Beach, La Mesa, Lemon Grove, National City, Poway, San Marcos, Santee, Solana Beach and Vista. These are the remaining 14 cities in San Diego County that represent the future vision and use of ITS technologies. As 'Level 1' cities begin to grow and include ITS in their capital expenditure budgets they will be removed from 'Level 1' and be identified separately as "Level 2 Cities" or, called out individually in the regional ITS Architecture. Activities planned for these cities may include, but are not limited to, traffic operations, fire, law enforcement, maintenance, websites, and archived databases.

Individual cities in the San Diego County that have planned projects or already operate signal systems, or other ITS elements, may be called out individually to provide a better base for developing project architectures required by funding sources.
Level 2 Cities in San DiegoLevel 2 Cities in San Diego include the cities of Chula Vista, Oceanside, and Carlsbad. These cities are considered 'Level 2' cities in San Diego County because they either have existing or have plans to deploy advanced ITS technologies. They have also included planned ITS elements in their city budgets.
Local MediaThis stakeholder represents owners/operators of communications media including television, radio, newspapers, and internet news sources.
Metropolitan Transit System (MTS)The San Diego Metropolitan Transit System (MTS) is the public transit service provider for Central, South, Northeast and Southeast San Diego County. MTS also licenses and regulates taxicabs, jitneys, and other private for–hire passenger transportation services provided by contract for the cities of San Diego, El Cajon, Imperial Beach, La Mesa, Lemon Grove, Poway and Santee. There are 53+ light rail stations, 93+ bus routes and average daily ridership among all public transit services provided by MTS is over 250,000 per quarter.
Mexican Baja Coordinación Estatal de Protección CivilIncludes law enforcement and first responders for public safety in Mexico; including Police Departments, Fire, Rescue, and Ambulance services, and other first responders at the local, regional, state, and federal levels across Mexico.
Mexican Baja SIDURTThe Mexican State agency that is responsible for managing, operating, and/or maintaining state–owned transportation infrastructure (roads, airports, transit, railways). Services provided include advanced traffic management, traveler information, and other ITS services.
Micro Mobility CompaniesBike–Scooter Share companies are growing in the San Diego region. This stakeholder represents the many companies, but are not limited to: Lime, Mobike, etc. Scooter companies include but is not limited to: Bird, Limescooter, Razor, etc.
Municipio de TijuanaMunicipal government agencies within Mexico for the city of Tijuana that includes public works, police departments, fire departments, etc.
North County Transit District (NCTD)North County Transit District (NCTD) offers services that are an important part of San Diego's regional transportation network. Their mission is to build an integrated transit system that enables the public to travel easily throughout the growing region. NCTD moves approximately 11 million passengers annually by providing public transportation for North San Diego County. The family of transit services include: COASTER commuter rail service, SPRINTER, BREEZE bus system, FLEX rural and on–demand service and LIFT paratransit.

NCTD contracts their transit security services or law enforcement services with the City of Oceanside PD, City of Escondido, PD, and San Diego Sheriff's Office. The buses have "Mayday" alerts that ring to dispatch, and dispatch alerts law enforcement.
Operation Respond InstituteThe Operation Respond® Institute (ORI) is a not–for–profit, public/private partnership serving the emergency response community with timesaving and lifesaving technology tools to combat safety and security incidents occurring on North American railroads and highways.
Port of San DiegoThe Port of San Diego has five member cities, Chula Vista, Coronado, Imperial Beach, National City and San Diego. The port promotes commerce, navigation, recreation and fisheries in San Diego Bay.
Private Commercial CarriersThese include private commercial vehicle operators that dispatch fleets of commercial vehicles.
Private Mobility Shuttle CompaniesPrivately held shuttle companies that operate on demand services for public or private agencies, within a defined geographic area with a defined purpose, connecting and supporting mobility hubs and transit services
Private Sector Probe Information ProvidersStakeholders who have vehicle probe information that can be shared with other agencies in the region. This would include stakeholders that generate probe information from commercial vehicle fleets, cell phones, or from the general traveler information system.
Public and Private Weather ProvidersThe most commonly used weather information for San Diego is the Weather Bug. This vendor provides weather for the ICMS weather data collection. Additional agencies such as the US National Weather Service or the National Oceanic and Atmospheric Association (NOAA) provide additional up–to–the–minute climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas.
Public Private Car SharePublic Private carshare agencies such as Zipcar.
Public Private Info Service Providers (ISP)Subscription–based services operated by private providers that provide options for real–time traveler information dissemination. Examples of services include Waze, Facebook, Google, and Twitter.

This element represents those organizations that provide traveler information to end users including telematics service providers such as ATX, OnStar, AAA, and Cross Country, Microsoft (, Tribune Interactive, Cox Interactive, Iteris, TANN, and other traveler information web sites too numerous to list. See also the "Private ISP" element that covers those organizations that collect and distribute traveler information to ASPs.
Public Private Map CompanyPublic and private providers of map databases used to support ITS services.
Public Private Parking Management SystemsAny parking management system that is provided in the San Diego region. Parking agencies register their spaces with an agency and people can pay via the public parking management systems.
Rail AgenciesPrivate or Public entities that provide freight and passenger rail services.
San Diego Convention and Visitors BureauThe San Diego Convention and Visitors Bureau provides information for visitors, meeting planners and travel agents including an events calendar, restaurant listings and other news.
San Diego CountyThe County of San Diego encompasses 4,526 square miles with a population of 3.3 million. The County has many cities and innovative government agencies located within its boundaries. The county itself provides services to the roads and areas outside of the cities with fairly rural ITS needs and equipment. Signals are not integrated and the fire authority is provided through Fire Districts. The Sheriff's Office provides law enforcement and also provides law enforcement for NCTD under contract to the transit agency.
San Diego Gas and ElectricSan Diego Gas and Electric are a source for providing electric vehicle resources and, they have maps with Lat and Long locations of all residences in the region because they provide services. They may be a future option for a regional mapping effort.
SANDAGThe San Diego Association of Governments (SANDAG) is the regional Council of Governments and the Metropolitan Planning Organization (MPO). It is made up of the County of San Diego and 18 other City/Municipal government agencies. This stakeholder group includes all cities in San Diego County including:

* Carlsbad
* Chula Vista
* Coronado
* Del Mar
* El Cajon
* Encinitas
* Escondido
* Imperial Beach
* La Mesa
* Lemon Grove
* National City
* Oceanside
* Poway
* San Diego
* San Ysidro
* Poway
* San Diego
* San Marcos
* Santee
* Solana Beach
* Vista
SANDAG–CHP–Caltrans FSP PartnershipThe regional FSP is paid for through SANDAG/Caltrans and managed by CHP.
Servicio de Administracion Tributaria (SAT)–Mexico AduanasThe Servicio de Administracion Tributaria (SAT) – Mexico Aduanas is responsible for border services including customs. The work of Mexico Aduanas includes: processing commercial goods, travelers, and conveyances, and identifying and interdicting high–risk individuals and goods, conducting secondary inspections of food and agricultural products imported by travelers at airports, conducting intelligence, such as screening visitors and immigrants and working with law enforcement agencies to maintain border integrity and ensure national security, and engaging in enforcement activities, including investigations, detentions, hearings, and removals
Shipment Logistics ProvidersThird–party logistics providers support a wide range of shipping functions on behalf of their customers, such as freight forwarding, logistics and transportation management, warehousing, transportation network design and operation and facility management.
Southern California Regional Rail Authority (SCRAA)SCRAA is a joint powers of authority made up of an 11 member board representing the transportation commissions of Los Angeles, Orange, Riverside, San Bernardino and Ventura counties. Metrolink trains operate on seven routes across a six–county, 538 route–mile network, which includes a portion of northern San Diego County.
Telecom System OperatorsVerizon, AT&T (including FirstNet), and T–Mobile
Time and Data SourcesThis stakeholder represents any service that provides time, location tracking, and real time services such as Google Maps. Note that the Vehicle GPS and Time Data is often included in the Vehicle OBE and won't always require this element.
Toll AuthoritiesGovernment agencies (could include public–private arrangements) responsible for the administration, operation and upkeep of bridges, tunnels, turnpikes, and other fee–based roadways. Includes setting tolls, managing their collection using manual and automatic methods, and managing the roadway. Also operates a clearinghouse of information to share tolling data between Toll Authorities.
Transportation Network Cooperative (TNC) OrganizationsThese stakeholders all provide bike share rentals, electronic scooters, on–demand rentals, and rides, etc. for the region. Vehicles have everything necessary for commuters to rent them on–site and return them to another site. Also includes private mobility service providers (MSP). This stakeholder includes, but is not limited to, Uber, Lyft, Via, etc.
TravelersMotorists using private vehicles for traveling throughout the region and across the border between Mexico and the US.
Tribal GovernmentsAgencies providing transportation services in tribal lands or territories in the US. These services primarily focus around emergency response but, may also include elements of traffic management, surveillance, signal control/coordination, incident management, and traveler information dissemination.

Tribal Nations in the San Diego California region include Cahuilla, Cupeno, Luiseno, and Kumeyaay.
US Border PatrolThe U.S. Border Patrol, a component of U.S. Customs and Border Protection (CBP) aims to apprehend persons who illegally enter the United States between official ports of entry. The Patrol operates permanent and tactical (temporary) interior traffic checkpoints on major and secondary U.S. roads.
US Bureau of Transportation StatisticsAgency of U.S. government charged with data gathering, analysis and distribution of transportation data.
US Customs and Border ProtectionUS Customs and Border Protection (CBP) is a part of the Department of Homeland Security (DHS) and is responsible for managing the nation's borders and ports–of–entry, preventing the passage of individuals or goods from entering the United States unlawfully.
US Emergency Management Agencies (OME)These include County or US State agencies that coordinate overall responses to large–scale incidents or major disasters. They also set up emergency operations centers to respond to and recover from natural, man–made, and war–caused emergencies, and assist local governments in their emergency preparedness, response and recovery efforts.
US Federal LandsA U.S. government agency operating as a component of the Federal Highway Administration (FHWA). Federal Lands plans, deploys, operates, and maintains transportation systems on federally owned lands, some of which may be near border areas.
US General Services AdministrationThe US General Services Administration (GSA) secures the buildings, products, services, technology, and other workplace essentials federal agencies need. This includes planning and constructing, and perhaps operating, infrastructure at border crossings.
US Public Health AgenciesThis includes U.S. government agencies responsible for Public Health Systems. These include Health and Human Services and the Department of Agriculture.
Wide Area Information Broadcasting systemsThis stakeholder represents Sirius FM and other wide area information broadcasting systems that send information to the public through cellular data or through vehicles.