Roads: Noise
(asked on 7th June 2016) - View Source
Question to the Department for Transport:
To ask the Secretary of State for Transport, what assessment his Department has made of the merits of planting noise barriers with vegetation alongside motorways and trunk roads.
This question was answered on 13th June 2016
The Department for Transport has made no recent assessment of the merits of planting noise barriers with vegetation alongside motorways and trunk roads.
Guidance on the design of noise barriers, which includes vegetated barriers, is contained within the Design Manual for Roads and Bridges:
http://www.standardsforhighways.co.uk/ha/standards/DMRB/vol10/section5.htm