Accessibility along a Transit Line

Assuming a willingness to commute for 30 minutes, there is a gradual decline in accessibility along a transit line. If a transit distance of 5 minutes is assumed between each stop, then the accessibility radius around the first stop (a) will include a 25 minute walk. Each subsequent stop implies a decline of this radius by a factor of 5 minutes. The last stop (e), which is 25 minutes away, would have a radius of 5 minutes.

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