Local Transport Today is the authoritative, independent journal for transport decision makers. Analysis, Comment & News on Transport Policy, Planning, Finance and Delivery since 1989.

HS2 – the line speed’s too fast, the trains are too long

David HT Smith, The Thursfield Smith Consultancy, Shrewsbury SY3
10 June 2016
 

Graham Nalty, Keith Rogers and Tony Bolden make very valid criticisms of the official proposals for HS2 (LTT 13 and 27 May). I should like to elaborate on some of them.

Top speed – 400kph is faster than used in France. The radius of curve required for the track varies with the square of the speed, as does wind resistance and hence energy required. The higher the top speed the higher the gearing required, which gives lower acceleration. Hence, for any spacing of stops there is an optimum...

+85% more

 

Healthy Streets Senior Traffic Engineer
Bristol City Council
100 Temple Street Redcliffe Bristol BS1 6AN
£37,336 to £39,186
Senior Transport Planner
London Borough of Camden
5 Pancras Square, London, N1C 4AG
£44,579
Healthy Streets Senior Traffic Engineer
Bristol City Council
100 Temple Street Redcliffe Bristol BS1 6AN
£37,336 to £39,186
View all Vacancies
 
Search
 
 
 

TransportXtra is part of Landor LINKS

© 2024 TransportXtra | Landor LINKS Ltd | All Rights Reserved

Subscriptions, Magazines & Online Access Enquires
[Frequently Asked Questions]
Email: subs.ltt@landor.co.uk | Tel: +44 (0) 20 7091 7959

Shop & Accounts Enquires
Email: accounts@landor.co.uk | Tel: +44 (0) 20 7091 7855

Advertising Sales & Recruitment Enquires
Email: daniel@landor.co.uk | Tel: +44 (0) 20 7091 7861

Events & Conference Enquires
Email: conferences@landor.co.uk | Tel: +44 (0) 20 7091 7865

Press Releases & Editorial Enquires
Email: info@transportxtra.com | Tel: +44 (0) 20 7091 7875

Privacy Policy | Terms and Conditions | Advertise

Web design london by Brainiac Media 2020