ITS Standards for specific project elements can be found in the Bay Area ITS
Architecture. They can be accessed
through the “Architecture
Details” button on the left. The following is an example
of a three-step process to find the communication standards for
obtaining data for 511 from roadway sensors.
1. In
the Architecture Details page, search for the ITS Element (either
by stakeholder or
by function).
511 is the first element that
appears in the search results in the “Archived Data Management
Subsystem” category.

2. After selecting the 511
element, view the list of interfaces that supplies 511 with
information from other systems. Find and select the MTC
Roadside Equipment interface to view how 511 obtains traffic
information from MTC operated field devices.

3. The "Architecture
Flows" explain the exchange of information between the elements.
Selecting one of the flows will give the communications standards
for the selected information or architecture flow. In this
example, for “Architecture Flows”
between 511 and MTC's Roadside Equipment, selecting traffic
flow leads to the following standards:
