encyclopedia

DAMPER

An emergency switch which stops a bus engine by cutting off its air supply. Dampers are not used on newer buses.

DAR

Dial-A-Ride. Curb-to-curb transit service provided to the general public and/or elderly or disabled persons.

DASHSIGN

A card placed in a bus windshield, in addition to or instead of a headsign denoting type of service or destination.

DATA CUSTODIAN

Individuals and departments responsible for the storage and safeguarding of computerized information. This typically is the Information Technology Services (ITS) group.

DATA DIALING

Changing data for malicious intents before or during input into the system.

DATA DICTIONARY

A data dictionary is a database which contains the name, type, range of values, source and authorization for access for each data element in a database. It also indicates which application programs use that data so that when a data…