Traffic congestion and policy

Low emission zone vehicle ban begins in Glasgow

Glasgow's low emission zone legal challenge fails

Roundabout traffic lights could go off at night

Trial restricts number of lorries allowed in town

More than half reject city congestion charge plans

Cyclist killed in central London lorry crash

Half of outer London vans not fit for ULEZ - data

Residents call for end to bridge closure town jams

County could impose Low Traffic Neighbourhoods

Lorry firm apologises for Orwell Bridge crash

Residents call for bus gate to stop "gridlock"

Traffic lights to be removed after two years

Probe over claims traffic barrier is 'too wide'

Traffic pattern study will guide improvements

Congestion charge plan for Cardiff motorists

Queues and delays as millions go on Easter break

No delays due to shut roads so far, say 999 services

Firms could close due to ULEZ, warns business group

More streets closed in divisive traffic scheme

Segregated cycle lane planned for city street

Referendum on city congestion charge rejected

'Discriminatory' road closures divide community