Abstract
The Utah Department of Transportation (UDOT), in collaboration with the Utah State University Ecology Center, has created a geographic information system (GIS) of spatially referenced roadside and context landscape attributes pertinent to roadside vegetation management. Construction of the ROADVEG GIS involved the design of a relational database, the assignment of attributes to 2200 km (1,365 mi) of road segments through on-the-road field inventories, and the linkage of database attributes to spatial coverages for GIS presentation and query. The ROADVEG GIS offers UDOT personnel a new way to remotely assess existing roadside and context vegetation attributes along Utah’s roadways, as well as a potentially powerful method of performing multivariate spatial queries for long-range planning. Through queries of the ROADVEG inventory, road segments with specified multivariate conditions are readily identifiable. Visual depictions of multiple vegetation management scenarios with varying cost-benefit ratios are now possible.
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