On November 6, 2025, at 12pm EST the DEP API VDOT event and detector endpoints will be updated to include additional data elements (as described in October 17, 2025 post).

These enhancements include the following:

Detector Data Endpoint

1. Addition of <milemarker> element to the detector location element.
2. Addition of <lanes> element to detector zone data element.

VDOT Event Data

1. Addition of <typeFurtherInfo> element to the <agencyExtension> element
   • Just like <publicText>, this is an optional field and will be missing if the event does not have it.
2. Addition of <cause> element to the <agencyExtension> element
   • Just like <publicText>, this is an optional field and will be missing if the event does not have it.
3. Addition of <specialFacility> element to the <agencyExtension> element
   • Just like <publicText>, this is an optional field and will be missing if the event does not have it.
4. Addition of <description> element to the <onAddress> element.
   • While this element is technically optional, the start location should always be set, and the end location <onAddress> will only be set for workzone events with start and end point.

For more information, please contact the DEP Customer Support at dep-support@ritis.org.

On October 17, 2025, the DEP API event data output was updated for VDOT events to include the end mile marker values for work zones where that data is available.

In scope of these enhancements, there are additional updates that are anticipated to be deployed by early November that will include the following additions (when available) to the DEP API VDOT event data output:

• <typeFurtherInfo> freetext field for “other traffic” and “other weather” event types
• <cause> for short term weather events
• <description> for the start and end location point names and <specialFacility>  when used for special facilities

On October 7, 2025, the DEP reference documentation section 2.8 now includes supplemental information about Transurban toll rate origins and destination (OD) pairs.

On July 18, 2025, one of the database servers supporting the DEP is scheduled for an upgrade from 7 PM to approximately 12 AM EDT. During this maintenance window, access to certain data and related services may be temporarily unavailable.

On July 10, 2025, one of the database servers supporting the DEP is scheduled for an upgrade from 7:30 PM to approximately 9:00 PM EDT. During this maintenance window, access to certain data and related services may be temporarily unavailable.

On June 24, 2025, the DEP reference documentation section 2.3 now includes supplemental information about VDOT event types and subtypes and their translations to the DEP output TMDD standard types and subtypes and DEP custom types and attributes.