Developer Portal

The Developer Portal provides users with live traveler information data from the states of New Hampshire, Maine, and Vermont.

Developer Data Disclaimer

By using any of the Data contained in the Developer Portal, acceptance of the Developer Portal Terms and Conditions and the Data Sharing Relationship Principles is acknowledged.

Data Sets

Data provided through this portal is retrieved in real-time from the New England Compass Advanced Traffic Management System (ATMS).

Below is a list of all data sets available for download.

CCTV Snapshots

This data set contains the snapshots of all CCTV cameras managed by Maine, New Hampshire, and Vermont. Each snapshot in the data set is base64 encoded and can be downloaded from the following links:

CCTV Camera Status

This data set contains the status of all CCTV cameras managed by Maine, New Hampshire, and Vermont. This data can be downloaded from the following links:

DMS Messages

This data set contains the status and messages on each Dynamic Message Sign (DMS) managed by Maine, New Hampshire, and Vermont. This data can be downloaded from the following links:

Environment Sensor Data

This data sets contains the status of all Road and Weather Information Stations managed by Maine, New Hampshire, and Vermont. This data can be downloaded from the following links:

Incidents

This data set contains all Incidents currently known by Maine, New Hampshire, and Vermont. This data can be downloaded from the following links:

Lane Closures

This data set contains all Lane Closures currently known by Maine, New Hampshire, and Vermont. This data can be downloaded from the following links:

Network Information

This data set contains the Travel Times and Roadways reported by Maine, New Hampshire, and Vermont. In this data set there are three nodes (nodeData, linkData, and tvtLinkData). A child element in nodeData is a geographical point. When a collection of these elements are grouped together, they can create a segment of a roadway defined in the linkData node. Finally, when a collection of links are grouped together, they create a Travel Time segment defined in the tvtLinkData node. This data can be downloaded from the following links:

Traffic Conditions

This data set contains Speed, Volume, and Occupancy information of all Roadway segments defined by Maine, New Hampshire, and Vermont. This data can be downloaded from the following links:

Travel Times

This data set contains the Travel Time information of all segments defined by Maine, New Hampshire, and Vermont. This data can be downloaded from the following links:

Waze Incidents Feed

This data set contains all Incidents currently known by Maine, New Hampshire, and Vermont in a Waze-compatible feed. This data can be downloaded from the following links: