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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 Annex B - Smart motorway scheme information . 25 Annex C - Methodology . 32 Annex D - Detailed tables . …

A1 Coal House to Metrocentre 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 care has been taken in the preparation of this document, it cannot be guaranteed that it is free of every potential err…

Strategic Design Panel progress report 5 Good road design: Contents Strategic Design Panel progress report 5 – November 2022 makes roads safe and useful Foreword 6 is inclusive Executive summary 8 makes roads understandable 1. The Strategic Design Panel 10 fits in context 2. Making progress 14 is restrained 3. Design review 18 4. Panel review 24 is environmentally sustainable 5. Design champions 2…

M1 junction 45 improvement One-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 care has been taken in the preparation of this document, it cannot be guaranteed that it is free of every potential error.…

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National Highways will be embarking on the second phase of a major modernisation upgrade of the A38 Saltash Tunnel later this autumn.

A43 Abthorpe roundabout improvements One-year post-opening project evaluation A43 Abthorpe roundabout one-year post-opening project evaluation Page 1 of 29 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 care has been taken in the prepara…

Our videos explain the main features of smart motorways, and we provide advice and guidance on safer driving and what to do in an emergency.

NATIONAL HIGHWAYS Asset Management Development Group ASSET DATA MANAGEMENT MANUAL Part 2 – Requirements and Additional Information October 2021 Version: 13.0 Asset Data Management Manual Page 1 of 164 Date of Issue: October 2021 Part 2 – Requirements and Additional Information Revision Sheet For revisions across all ADMM documents see the Revision Log available on Standards for H…

On the road to good design: Design review at National Highways Foreword As a leading national infrastructure provider, National Highways is committed to raising the design quality of our network. We set up a dedicated design panel and carry out independent reviews of key schemes and standards to help us achieve this. This is the first overview of design reviews undertaken between the end …