Bus services

15

Bus workers

3

Transport

3

Working conditions

3

Prices

2

Public transport

2

Railways

2

Reorganisation

2

Boycotts

1

Canals

1

Children

1

Education

1

Electricity supply industry

1

Gas industry

1

Hours of work

1

Inland waterways

1

Local government

1

Public services

1

Road haulage

1

Roads

1

Sanitation

1

School meals

1

Shipping industry

1

Trade unions

1

Trams

1

Wages

1

Water supply

1

1937

2

1906

1

1944

1

1945

1

1950

1

1967

1

1970

1

1976

1

1981

1

1984

1

1995

1