Specifications include, but are not limited to: The tasks described below (literature search, surveys, case studies, and recommendations) address a wide range of questions related to all-season maintenance uses of AVL/GPS. The following list is not exhaustive, but it represents the types of items of interest to Clear Roads. It may be expanded as deemed appropriate by project proposers or by the selected investigator during the course of conducting the project. 1. What are the quantifiable benefits and costs of implementing AVL/GPS for year-round maintenance uses? This should be specific and detailed, broken down into such line items as technology costs, labor costs and savings, and possible efficiencies with respect to equipment, materials, paperwork and data collection, and process automation. 2. What winter equipment do respondents use AVL/GPS units with? 3. What winter maintenance data do units collect? 4. What non-winter equipment do respondents use AVL/GPS units with?