Standard
CD 352 - Design of road tunnels
This document describes the procedures necessary for the design and refurbishment of all tunnels on the motorway and all-purpose trunk road network.
Document details
- Link to document on publisher's website
- CD 352 - Design of road tunnels 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
- Planning
- Safety
- General design
- Road tunnel safety
- Geometric design
- Ventilation requirements
- Lighting design
- Drainage system
- Fire engineering
- Traffic control
- Power supply
- Plant monitoring