Transit consultant Jarrett Walker speaks to the importance of transit system maps:
As transit information tools have gotten better, some transit agencies have stopped offering a system map to the public. Often, a website offers me trip planning software and route by route timetables, but not a map. If it’s there, it’s often difficult to find.
I'm noticing this trend within the transit industry as well, and I am not a fan. There's just no substitute for a good system map that people can use to quickly understand and navigate a given agency's public transportation network.
Case in point: last month, as I planned our trip to Birmingham for the bowl game, I was looking for a good way to get from our hotel (near Five Points South) to Protective Stadium. A taxi or an Uber were always options, but I wanted to see if a bus was a viable choice because 1) it's cheaper and 2) I'm a public transportation geek. So I went to the Birmingham Jefferson County Transit Authority's website to do some research. They did have an online trip planner, but in order to use it I had to type in both my hotel's and the stadium's addresses, which I didn't feel like looking up. So I moved on to their bus routes page to look for a map instead. There they had bus routes and schedules individually listed, but no overall system map. Which meant that I would have had to click through all of the routes until I found one that provided the service I needed, if it existed at all.
Walker continues:
We think system maps are essential. They’re not just for everyday navigation. They’re for exploration and understanding. Some people prefer narrative directions, but many people are spatial navigators, and they need maps. They’ll understand details only if they can see the big picture.
Another way to think about system maps is that they show you where they could go, and how. They give you a sense of possibility. (It’s the informational dimension of access to opportunity.) Maps also show visually how different services work together. Finally, good system maps help people make better decisions about where to locate, or even where to build things.
To their credit, the BJCTA has published GTFS data for their bus network that applications like their own trip planner or Google Maps use to suggest directions. I ended up finding our hotel on Google Maps, and used that to determine that there was indeed a route that ran between our hotel and the stadium. I then went back to the BJCTA website to get its route and schedule information. It was convoluted, but it worked; we used the Magic City Connector bus to get to and from the bowl game without a problem.
That said: while trip planning apps and GTFS feeds are definitely helpful in navigating a bus system, those should not serve as replacements for a well-designed transit map showing routes, stops, and major landmarks. Such a map would have allowed me to identify the bus route I wanted to use almost instantly, without having to click through individual route schedules or use a clunky trip planning app, or cross-reference using Google Maps.
Given that Birmingham's bus network isn't particularly large, it shouldn't be difficult to design a good system map and place a link to it on the BJCTA web page. I'm sure I'm not the only one who would find it beneficial. Walker concludes:
But if a system map doesn’t exist, people can’t understand all that your transit system can do.
Exactly.
Examples of good (and bad) transit system maps can be found on transitmap.net.
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