Why do we need to mow grass lined ditches?

Mowing a grass lined ditch is important for many reasons. Some of the more critical issues are:

Tractor mowing a roadside ditch

How often a ditch needs to be mowed depends upon the vegetation in the ditch and the issues listed above.

Tractor mowing a roadside ditch Tractor mowing a roadside ditch

Resources

Vegetation Control For Safety
FHWA

Cover of the Roadway and Roadside drainage workbook

Roadway and Roadside Drainage (pdf)

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This work by the Cornell Local Roads Program (CLRP) is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported License.