Ohio DOT Event Streaming Platform




The Ohio DOT Event Streaming Platform (ESP) is a Data Distribution System that collects, processes, and distributes ITS data, connecting data producers with data consumers and facilitating data exchange.


StakeholderRoleRole Status

Physical Objects

Data Distribution System
ITS Object

Functional Objects

Functional ObjectDescriptionUser Defined
DDS Data Access Management'DDS Data Access Management' defines the access mechanisms, structures and restrictions for inbound (from providers) and outbound (to consumers) data.False
DDS Data Collection and Aggregation'DDS Data Collection and Aggregation' collects data 'deposits' from producers including meta data such as the generation location and time. It authenticates and validates the data deposits and logs all associated meta data. Authenticated, valid data is bundled based on information type and location and made available as data products to consumers who are interested in the data. It establishes delivery parameters for data consumers that subscribe based on parameters including content type and geographic region of interest and delivers data to consumers based on these parameters.False
DDS Support Services'DDS Support Services' provides foundational functions that support data collection, management, timing, and data distribution. It coordinates with Support subsystems to maintain necessary registrations with respect to location and scope.False
ITS Management Support'ITS Management Support' provides management of the ITS Object. This includes management of regulatory information and policies, management of application processes, management of communication system configuration and update management, communications interfaces, protocol–specific techniques to ensure interoperability such as service advertisements, communications congestion management and interference management, local device states and communications information, billing management, fault management, service level and performance monitoring.False
ITS Security Support'ITS Security Support' provides communications and system security functions to the ITS Object, including privacy protection functions. It may include firewall, intrusion management, authentication, authorization, profile management, identity management, cryptographic key management. It may include a hardware security module and security management information base.False

Physical Standards

SDODocument #TitleUser Defined
ISOISO 21217Intelligent transport systems — Communications access for land
mobiles (CALM) — Architecture
NISTNIST FIPS PUB 140–2Security Requirements for Cryptographic ModulesFalse

Interfaces To

(View Context Diagram)

Case Western Reserve Transit System
CECOMS – Emergency Communications
City of Cleveland EOC
City of Cleveland Maintenance Dispatch
City of Cleveland Operation Snowbird EOC
City of Cleveland Parking Management
City of Cleveland Police, Fire, and EMS Dispatch
City of Cleveland Signal Control System
City of Cleveland Website
County and City Connected Vehicle Roadside Equipment
County EOCs
County Maintenance Garages
County Public Safety Dispatch
Cuyahoga County EOC
Cuyahoga County Maintenance Garages
Cuyahoga County Sheriff Department
Cuyahoga County Traffic Count Data Archive
Emergency Alert System
GCRTA Communications Center
GCRTA Transit Traveler Information System
Geauga County Transit Operations
Hopkins International Airport and Burke Lakefront Airport
Hopkins International Airport Parking Management System
Hopkins International Airport Traveler Information Website
Laketran Operations Center
LCT Bus Operations Center
Medina County Transit Operations Center
Municipal Maintenance Garages
Municipal Public Safety Dispatch
Municipal Signal Control Systems
Municipal Traffic Count Data Archives
National Weather Service
NOACA Regional Transportation Data Archive
Ohio DOT 511 Telephone Information Service
Ohio DOT CCTV Cameras
Ohio DOT Connected Vehicle Roadside Equipment
Ohio DOT District Offices
Ohio DOT OHGO Traveler Information System
Ohio DOT Rest Area Tourist Information Centers
Ohio DOT Rest Area Truck Parking Availability System
Ohio DOT Traffic Data Archive System
Ohio DOT Traffic Signal Control Systems
Ohio DPS Crash Records Database
Ohio Mobility Apps
Ohio State Highway Patrol State Communications Center
Ohio Statewide EOC/JDF
Ohio Turnpike Central Dispatch
Ohio Turnpike Connected Vehicle Roadside Equipment
Ohio Turnpike Maintenance Dispatch
Ohio Turnpike Service Plaza Truck Parking Management System
Ohio Turnpike Website
OSU Center of Automotive Research
Private Companies Map Update Systems
Private Fleet and Freight Operators
Private Traveler Information Systems
Private Weather Service Systems
PUCO Commercial Vehicle Registration System
Railroad Operations Center
RTA Kiosks
RTA Transit Data Archives
RTA Transit Information Displays
Transportation Research Centers
Traveler Information Devices