Traffic Management Data Dictionary (TMDD)

by Institute of Transportation Engineers (ITE)

TMDD is a standard for traffic management centers to communicatie between themselves to cooperate in the management of roads and incidents

Assessment

Open License No
Transferable to Other Jurisdictions Yes

The vocabulary included in the TMDD is very thorough and broad. There are few required fields in the schema and it is applicable to many fields of traffic management. The standard allows extensions.
Stakeholder Participation Yes

Contributors consisted of members of the IT sector, the engineering sector, and public agencies such as CalTrans and the City of LA
Consensus-Based Governance No
Extensions Yes

As long as additional features do not conflict with (i.e. substitute) TMDD features, extensions are permitted, but must be defined in a namespace separate from the copyrighted TMDD namespace
Human Readable No

Element names are somewhat cryptic
Machine Readable Yes

XML schema
Requires Up-To-Date / Real-Time Data No
Metadata Yes

Provided metadata XML schema must be imported in header