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1` Smart motorways - scheme safety ‘Before’ versus ‘after’ assessment Contents Executive summary . 3 1. Background and context . 7 2. Scheme-level headline comparisons . 12 3. Scheme-level detailed comparisons . 20 4. Conclusions . 22 Annex A - Smart motorways map (correct as of June 2023) . 24 Anne…

National Highways current and upcoming road schemes in the North West.

M1 SmogStop® Air Quality Barrier Trial Final Report Clients: National Highways and Gramm Barrier Systems Ltd Authors: Dr Andreas Kafizas & Dr Glyn Rhys-Tyler Date: August 18th 2023 Version: 1.3 Status: Final This page is intentionally blank PAGE 2 Record of changes Released to Version Reason for cha…

Making journeys even safer with radar-based technology

M25 junction 30/A13 Congestion Relieving Project Five-year post-opening project evaluation This document has been prepared by National Highways with assistance from its consultants (where employed). The document and its accompanying data remain the property of National Highways. While all reasonable…

Claim No. QB-2021-003576 IN THE HIGH COURT OF JUSTICE QUEEN’S BENCH DIVISION Mrs Justice May B E T W E E N NATIONAL HIGHWAYS LIMITED Claimant -and- PERSONS UNKNOWN CAUSING THE BLOCKING, ENDANGERING, SLOWING DOWN, OBSTRUCTING OR OTHERWISE PREVENTING THE FREE FLOW OF TRAFFIC ONTO OR ALONG THE M25 MOTO…

A5-M1 Dunstable Northern Bypass One-year post-opening project evaluation 05 April 2022 A5-M1 Dunstable Northern Bypass one-year after post-opening project evaluation While National Highways has made every effort to ensure the information in this document is accurate, National Highways does not guara…

National Highways is delivering a series of enhancements to sections of dynamic hard shoulder motorways across the country.

The latest planned roadworks information for England's strategic road network.

Ash dieback is affecting trees on the land we manage. We're taking action to slow its spread and make sure trees along our strategic road network remain safe.