Indicating that a street is one-way and which way is valid to travel was a lot harder than it should have been prior to version 9.2. At 9.2, the new representations symbology makes this a much faster and easier task. To create this effect, you will need to have your street line data stored in a geodatabase which is a requirement for using representation symbology.
You will also need to have a field in your data that indicates whether a street is one-way. This also depends on the digitized direction of the street lines to align the arrows in the correct direction. If your streets are not digitized correctly, you can edit them by selecting each feature, set the Edit task to Modify Feature, then right click on the feature and choose Flip. Read More...
