Wavetronix Command Translator (CMD-DT) - User Guide Bedienungsanleitung Seite 38

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In this chapter
Routes Page
Route Toolbar
Editing a Route
Assets
Travel Points
Route Data and Overrides
Creating an Advanced Trip Time Task
Setting Up Route Database
4
Command Translator includes an advanced travel time system. To calculate travel times
properly, Translator employs a system of routes, which dene roads, their available data
sources, and the entrance/exit points. Each route deals with only one direction at a time;
most environments use two or more routes.
Routes are divided up into segments, each of which has properties that dene the length of
the segment and the free-ow speed. Routes also include assets; these dene data sources
that are available for getting current trac information. ese can be sensors, probe sys-
tems, delay measuring systems and other types of trac detection systems. ese assets
provide the data necessary for the travel time job to calculate the travel time for the segment
that the asset is on.
e routes also include travel points; these dene the start and end points for all the travel
times that need to be calculated for each route. Typical start points include entrance ramps
or dynamic message signs that will display the travel times to passing motorists. End points
Routes Page 4
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