The city needs a debate about whether to favour bus rapid-transit systems, or more expensive but faster and higher-capacity metro lines.

ECONOMIST: Better late than never

Old lines can be re-used as cheaper light-rail systems, or paved over and converted into bus-ways, an idea that is being tested in Northamptonshire.

ECONOMIST: Railways

If companies adopted work-from-home cultures, would they reduce their carbon footprints by cutting down on employee commuting, de-congesting highways to create space for effective rapid bus transport systems, and reducing need for space and energy-devouring office buildings?

FORBES: CSR And The Job Hunt, More Thoughts

Charging motorists for scarce road space, with most of the revenues being used to finance improvements in bus, rail or urban mass-transit systems, is the only sensible route to restraint.

ECONOMIST: Roads