1. A method of presenting roadway congestion performance information to a user, comprising: collecting traffic-related data representative of one or more characteristics of performance of traffic on a roadway and applying the collected traffic-related data to a plurality of data processing modules configured to analyze the one or more characteristics of performance of traffic on a roadway to generate measured congestion data representing a plurality of congestion data metrics for traffic management decision-making; converting the measured congestion data into sets of indicia in response to user selections on a graphical user interface in a computing environment, the sets of indicia configured to enable a visualized representation of the measured congestion data over time, the plurality of congestion data metrics including traffic congestion, vehicular demand, incident information, and work zone information on a segment of a roadway selected by the user; and rendering the sets of indicia as visualized representations of the plurality of congestion data metrics on the graphical user interface, the sets of indicia including a one or more gauges, an animated map capable of being configured to show different current congestion conditions and different animations in a playback mode over a specified of time when so selected by a user, a graphical timeline, at least one cost chart representing costs consumed, a causes chart representing one or more causes of traffic congestion, and a textual data feed providing real-time congestion information for the roadway.