Researchers at the University of Southampton are investigating the application of artificial intelligence (AI) technology for controllingtraffic lights.
Cambridge, for example, believes it can get no further with controllingtraffic within the city by strict limits on public parking because uncontrolled private non-residential parking now accounts for more than 85% of the available parking spaces within the city.
"All police forces charged with controllingtraffic should be trained to the standards set by the Home Office and the Association of Chief Police Officers and the role of Mersey Tunnels Police now needs to be examined, " she said, adding she had written to the Home Office to express her concerns.
Controlling crowds and directing traffic remain priorities for Boston police on the day of the marathon, but they have also drilled to prepare for much more.