Specifying the default word spacing when spreading words along a street

Steps:

1. Ensure that you have the Maplex Label Engine enabled and that you have specified the Street Placement style for labeling.
2. Click the Label Manager button on the Labeling toolbar.
3. Check the check box next to the layer you want to label.
4. Choose a label class under the layer.
5. Click Symbol.
6. Click Edit Symbol.
7. Click the Formatted Text tab.
8. Type a value for the word spacing.

This will be the minimum word spacing when you choose to spread the words in your labels.

9. Click OK to close all dialog boxes.

Tip:

You can also open the Placement Properties dialog box by clicking the Placement Properties button on the Labels tab of the Layer Properties dialog box for the layer you want to label.