Low trees in Broadwall
Introduction
The photograph on this page of Low trees in Broadwall by Patrick Mackie as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
There are currently over 7.5m images from over 14,400 individuals and you can help contribute to the project by visiting https://www.geograph.org.uk
Image: © Patrick Mackie Taken: 27 Mar 2012
To my untrained eye, I see nothing unusual. These trees appear to reach the ground like any other. I think TfL might mean "low branches", but I can't be certain. However, this road is used by buses, so I presume the warning is for them.