My latest blog: what is TfL doing about bus speeds? And how can other metro mayors learn from the plans? The takeaway is: serious integrated transport in big cities is a carrot and stick approach - ignore restrictions on private vehicles in congested areas at the expense of bus performance!

Slow buses: Big cities should take note of TfL’s answer to London bus speeds - Centre for CitiesTfL’s road strategy shows why road powers are central to improving London bus speeds and big city transport.www.centreforcities.org