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IBTTA’s transportation Glossary of Terms is an ever-changing list of terms used within the transportation and tolling industry.

The Glossary was updated in March, 2016.  If you have suggestions for future additions, please contact us.

  Download the Glossary of Terms.
 

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Titlesort descending Description
WCDMA

Wide-band Code-Division Multiple Access, a 3G technology that increases data transmission rates in GSM systems by using the CDMA air interface instead of Time Division Multiple Access (TDMA).