Do you or TfL have the power to change existing Low Emission Zone (LEZ) Signs that are outside of Greater London to Ultra Low Emission Zone (ULEZ) Signs?
Please can you provide the total number of rail replacement buses in the fleet that TfL uses and a breakdown of how they are powered and their Euro ratings?
Please can you provide a breakdown of the total number of TfL employees on each salary band for each year since 2015? Please specify the range of each salary band.