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Maps are one of the most valuable and popular tools in the planning repertoire. However, like any tool, maps need to be in good repair and used properly to get a useful result. Since there are many different types of maps produced for different uses, it is useful to have a basic understanding of maps. This article is the first in a series of three that will introduce you to maps and their uses in planning. The second article will highlight topics related to map compilation — how to find and organize information that you want to put into a map — and to the types of maps most commonly used in planning. The third article will introduce you to geographic information systems (GIS), a rapidly expanding technology that integrates computer maps and database management systems (DBMS) to facilitate various types of spatial analysis. … [Editor’s Note: see also Thomas Millette’s more recent article, “GIS & Planning” (Fall 2008).]
Maps are a multipurpose tool and serve a variety of functions in support of planning. The most valuable function is to allow visualization of specific features or areas to facilitate discussion among professional staff, planning board members and town residents. The exchange of ideas, information and opinions is fundamental to the planning process.
Few mediums have a map’s ability to present a wealth of detailed and complex information in a form that is easy to visualize and understand. Maps are a truly unique communication device and, as such, provide an ideal focus and catalyst for discussion. …
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