Split Route
You can split a route and apply different properties on each side of the split. For example, if you want to apply covering to only a portion of a route, you can split the route into two segments and apply covering to only one of the segments.
To split a route:
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Do one of the following:
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Click Split Route 
(Routing Tools toolbar) or Routing, Routing Tools, Split Route.
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While editing the route, right-click a route sketch entity and select Split Route.
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Click the sketch entity at the location where you want the split to occur.
The sketch entity splits into two entities, and a split point is added between the two sketch entities. A connection point appears in the FeatureManager design tree under the Route feature. The connection point can be renamed.