Standard
CD 522 - Drainage of runoff from natural catchments
This document provides requirements and advice for dealing with surface water runoff from natural catchments draining towards motorways or all-purpose trunk roads, in order to limit the frequency and severity of flooding incidents caused by runoff from beyond the highway boundary.
Document details
- Link to document on publisher's website
- CD 522 - Drainage of runoff from natural catchments from National Highways
- Document type
- Standard
- Date published
- March 2020
- Last updated
- March 2020
- Published by
- National Highways
Related content on legislation.gov.uk
Regulatory topics
- Drainage
- Runoff
- Natural Catchments