TravRoute CoPilot 2002 - Manual (Page 25)

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Detour
In Guidance Mode, clicking the Detour button will enable you to specify what the road
conditions are in front of you so that CoPilot can generate an alternate route. This is useful
when you need to get around traffic jams, roadwork, or other unexpected traffic slow-downs
but don’t know whether or not you’ll save any time by turning off your current route.
When you click Detour, a window opens that asks you to describe the road congestion
ahead of you:
The Light Congestion option takes you off the
original course if there’s a quick way around the
road up ahead. For example, you might want to
use it when there’s a long line at a traffic light.
The Heavy Congestion option will get you
around extended delays caused by traffic
accidents and other obstructions that slow traffic
to a stand-still. This option only keeps you on
your original route if the alternatives are
extremely out of the way.