I am a visiting professor in the Centre for Transport Studies at UCL. I was formerly Chief Scientist at the Department for Transport. Earlier in my career I was a member of the scientific staff of the Medical Research Council and a civil servant in various Whitehall departments.
My research interests focus on the growth of travel demand, particularly as this is influenced by demographic factors, and on how this demand is met by investment in the transport system, as this is influenced by transport policy and new technologies.
The average driver in London spent 148 hours in traffic jams in 2021 – twice the national average, according to a new report by Inrix, a firm that analyses road traffic. These findings pr...
围绕无人驾驶电动汽车展开的一波劈头盖脸的宣传曾承诺将为城市带来一场交通“革命”，声称新技术将缓解拥堵、消除有害排放。这些新技术的潜在好处既刺激了汽车行业的活动，也引发了人们的焦虑——尤其是新车销售利润是否能够收回投资成本。
The breathless hype around driverless electric vehicles once promised an urban transport “revolution”, with claims that new technologies would ease congestion and eliminate harmful emissi...
