User Focused Design & Problem Solving

The Center for Advanced Transportation Technology Laboratory at the University of Maryland was originally established in 2002 as an academic applied research and development lab to support national, state, and local efforts to solve important transportation, safety, and security problems.  The CATT Lab accomplishes this mission through innovative technology deployments and user-centered design of software and information visualization systems.  Our work spans many disciplines including Intelligent Transportation Systems, law enforcement, network security, private business, defense and homeland security.

Information Visualization

The CATT Lab develops visual analytics and information visualization tools that lead users to insights that would usually be difficult, if not impossible, to discover through traditional data analysis techniques.  The old adage that “a picture is worth a thousand words” rings true.  Properly designed visual analytics tools can increase a user’s ability to:

  • Remember information and thus enhance productivity
  • Search rapidly, & deliver
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Car Accidents | Randall’s ESL Cyber Listening Lab

Level: Topic: Speakers: Length:
medium car accidents man – woman – teenage daughter 02:18

Pre-Listening Exercise

What are some of the major factors that lead to car accidents and what can be done to deal with these causes? What possible injuries can occur in such accidents? Who would you contact if you had to file accident claims or other request for medical assistance?


crash course” = a course in which you learn the material in a very short time period
She took a driving crash course before she went on vacation.”

black ice” = a coating of ice on the road that is nearly invisible to drivers
Be careful as you drive home tonight because there are sure to be patches of black ice on the highways.”

Listening Exercise

A. Listen to the recording and answer the questions.

Where did the

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