In message , at 13:03:37 on Fri, 8 Sep
2017, Recliner remarked:

The data showed that even within stations a third of passengers did not
use the quickest routes between platforms and could be wasting up to
two minutes.

Assisted, no doubt, by TfL signage which frequently points to
non-optimum routes on account of fearing overloading of the optimum
route.
--
Roland Perry