In this exercise, you will update your database with a new road casing line. In building the line feature, you will learn how to use some of the more advanced construction methods offered with the Sketch tool context menu.

Because the road feature class exists inside a different workspace than the study area shapefile, you need to start editing the database before you can create the new line.

Spatial bookmarks are named extents that can be saved in map documents. Creating a bookmark for areas that you visit frequently will save you time.

The endpoints of the road casing feature need to snap to adjacent casings to ensure that the new feature is connected to the existing casing features. Snapping to the end of road casing lines will help you do this. After setting the snapping environment, make sure the target layer is set to the RoadCasings layer. Now you can start digitizing.