ArcObjects Library Reference (NetworkAnalyst)  

esriNAEdgeSideType Constants

Options to indicate the side of the edge element.

Constant Value Description
esriNAEdgeSideRight 1 The right side of the edge element.
esriNAEdgeSideLeft 2 The left side of the edge element.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server. Requires Network Analyst Extension.