Developer Resources

Welcome to the Ontario 511 Developer Resource Area. This free service provides access to Ontario 511 real-time and static transportation data to support the development of applications, research, analysis, and other value-added traveller information services. Resources available through this site may include application programming interfaces (APIs), data feeds, technical documentation, and related information intended for use by the public, businesses, transportation agencies, researchers, media, academic institutions, and other interested organizations.

Developer's Access Agreement

Access to and use of Ontario 511 APIs, data feeds, and related services is subject to the terms and conditions of this Developer's Access Agreement. By requesting, accessing, or using Ontario 511 data, the individual or organization ("Data Disseminator") acknowledges that it has read, understood, and agrees to be bound by these terms and conditions.

Unless otherwise specified, Ontario 511 data made available through the Developer Resource Area is provided under the Open Government License. By accessing or using Ontario 511 data, Data Disseminators acknowledge and agree to comply with the terms of the license. Additional requirements respecting attribution, redistribution, acceptable use, and the use of Ontario 511 trademarks and logos are outlined in this Agreement.

For more information about the Open Government License, visit: https://www.ontario.ca/page/open-government-licence-ontario

The Ontario 511 logo is a variation of the national 511 logo, a registered trademark owned by the American Association of State Highway and Transportation Officials (AASHTO). The logo represents the quality and consistency of 511 traveller information services across North America.

The Data Disseminator is encouraged to acknowledge the source of the provided data by utilizing the Ontario 511 logo and/or a link to https://511on.ca. The Ontario 511 logo may be displayed only on a website or application that makes accurate references to Ontario 511 and its products or services.

The Data Disseminator is expressly prohibited from doing any of the following with respect to the Ontario 511 logo:

  • Altering the logo in any way, including its proportions, colors, text, design elements, or appearance.
  • Using the logo as a feature, component, or design element of any other image, logo, or graphic.
  • Displaying the logo on any website, application, or platform that disparages Ontario 511 or its products or services, infringes upon intellectual property or other legal rights, or violates any provincial, federal, or international law.
  • Displaying the logo in any manner that implies sponsorship, endorsement, approval, or licensing by Ontario 511, the Ministry of Transportation (MTO), or the Government of Ontario unless expressly authorized.
  • Using the logo in a manner that is misleading, deceptive, or likely to cause confusion regarding the source of information, products, or services.
To register for an API token, a request for access must include:
  • Organization name and primary contact information (including email address);
  • A description of the proposed service, application, product, research initiative, or other intended use;
  • Identification of any third parties that will receive, redistribute, display, or otherwise use Ontario 511 data through the Data Disseminator's service; and
  • Any additional information reasonably requested by the Ministry.

The Ministry reserves the right to review requests on a case-by-case basis and determine whether access will be granted.

Disclaimer

Ontario 511 and the Ministry of Transportation (MTO) strive to provide accurate and timely information using the best available data sources. However, information availability, accuracy, and timeliness are subject to change, and actual roadway conditions, restrictions, and closures may differ from the information provided through the Ontario 511 data feed. The data is provided on an "as is" and "as available" basis without warranty of any kind, express or implied. Ontario 511, MTO, and their partner agencies do not guarantee the accuracy, completeness, reliability, or uninterrupted availability of the data and accept no liability for any loss or damages arising from its use.

By using the Ontario 511 data feed, the Data Disseminator acknowledges and agrees to this disclaimer and will make reasonable efforts to communicate it when distributing the data to third parties or the public.
 
Contact Information

The Ministry is committed to maintaining a cooperative relationship with Data Disseminators and will make reasonable efforts to communicate significant changes affecting Ontario 511 developer resources, including planned maintenance activities, service interruptions, API modifications, and changes to data feeds, technical specifications, or service availability.

For technical inquiries related to Ontario 511 developer resources, APIs, data feeds, API token registration, or service availability, please contact:

511feedback@ontario.ca
 

Data Disseminators are encouraged to report service interruptions, technical problems, or questions regarding the use of Ontario 511 developer resources through the contact information above.