|  | This document is archived and information here might be outdated. Recommended version. | 
ArcIMS shield symbol type options.
| Constant | Value | Description | 
|---|---|---|
| acInterstateShieldSymbol | 0 | The shield is interstate. | 
| acUSRoadShieldSymbol | 1 | The shield is US Road. | 
| acRectangleShieldSymbol | 2 | The shield is a rectangle. | 
| acOvalShieldSymbol | 3 | The shield is an oval. | 
| acMexicanShieldSymbol | 4 | The shield is Mexican. |