Week four update: Toggling layers

This week I’ve updated a few things on my map of the proposed Metro Purple Line extension.

(Open the full-sized map here.)

First, I’ve added live bus location information to the map. Buses, indicate by red icons, stand out clearly against the small orange dots representing bus stops. A single check box for each of the six bus lines represented on the map allows you to toggle the line on and off, alternately displaying and hiding stop and live bus locations.


The second major addition to the map are businesses and institutions (specifically schools, government offices and banks). They can also be toggled on and off using check boxes in the left-hand column. To help the user visualize how close these businesses and institutions are to to the proposed subway stops, I have added quarter-mile buffers around the subway stations to indicate what is widely considered an easy walking distance for the typical transit user.

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