A Good Map is Hard to Find — and Harder to Build
Over the years, the designers in our studio have produced hundreds, if not thousands of maps for wayfinding programs. Some are as simple as an egress map — a regulatory sign most often required in elevator lobbies. Others show viewers an entire campus and exist in a variety of media, from signs to printed communication pieces to web sites and on-site touch screens.
By definition, a map is most often consulted by those who are unfamiliar with the environment. That means they are also unfamiliar with the map itself — they are first-time users of a tool that may contain dense and complex visual information. While every mapping project has its unique challenges, we have developed a number of guiding principles that inform our work:
1. Start with the logic.
Our wayfinding methodology begins with a planning phase that profits from a high degree of collaboration with our client. Our goal is to understand the specifics of the physical landscape and the common activities of the community of visitors. From there, we determine the logic of the wayfinding system. Most often, we recommend a system of landmarks and pathways in which major connection points and corridors are identified and articulated through environmental cues as well as supporting signage. At this point, we also work with the client stakeholders to distill the number of destinations into friendly, accessible terms and determine a single source of destination names.
2. Create a good base map, simplifying and abstracting the geography.
With major routes and destinations identified in the planning phase, our focus turns to designing the primary map. Our approach is to use an economy of line weights, styles, and colors, relying on a minimal palette to convey the visual information. There is an art to determining the level of actual detail that is required for a map reader to be able to associate the two-dimensional plan with the three dimensional world. For inspiration, we look to Massimo Vignelli who drew the maze-like warren of New York City subway routes with only three directional lines: horizontal, vertical, and a diagonal at 45 degrees.
3. Tune the map to the constraints of each medium.
By designing the base map first, we ensure that a consistent view will be presented regardless of how a visitor accesses it. Once a visitor has oriented themselves on one map, they will be able to scan and quickly orient themselves on any other map in the system. We draft an inventory of all media that will require the map — from signs, to pocket maps, to web sites, to mobile devices — and adapt the base map to make the most readable and usable version for each platform. Changes in resolution, color spaces, and physical dimensions inform the variations made to each map in the family of wayfinding tools.
4. Test and test again.
Throughout our process, we test our designs — formally and informally. On-site usability tests with staff and visitors are the most informative and provide the most tactical input for further revisions. It is easy to develop a system of prototypes such as low-fidelity wireframes for web applications and watch volunteers as they find their way using these tools. Much of what we learn from usability testing transfers from one project to another. For example, we have developed a set of best practices for common icons such as elevators, “You are here” indicators as well as successful typography standards and color contrast models.
5. Design for ongoing maintenance and growth.
An outdated map is ineffective. That’s why it is critical that we engage in two parallel design processes: the visual design of the map itself and the design of the business process that will ensure that it is updated easily and efficiently as the facility changes and grows. Working with the client organization, we determine ownership of all elements of the wayfinding system and develop tools to manage updates across the system. These tools range from checklists and workflows to customized suites of software tools.
With every mapping project, we refine and hone these principles. This rigorous, phased approach built upon our breadth of experience allows us to focus our attention on the unique criteria of a given project, and then embed those learnings in future initiatives.