Standard
CG 502 - The certification of drainage design
This document outlines the requirements for the certification of drainage design on motorway and all-purpose trunk roads.
Document details
- Link to document on publisher's website
- CG 502 - The certification of drainage design from National Highways
- Document type
- Standard
- Date published
- October 2019
- Last updated
- October 2019
- Published by
- National Highways
Related content on legislation.gov.uk
Regulatory topics
- Highways design
- Design requirements
- Drainage
- Certification