- Around 28,500 cyclists took part today
- In 38 years around 750, 000 riders have taken part
- They have cycled more than 40 million miles between them
- Riders have raised over £57m to go towards fighting coronary heart disease
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Official readings are recorded three metres in the air but a study found levels of nitrogen dioxide (NO2) were higher at pushchair level.
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Union officials rejected a revised offer from Underground managers during a meeting at the conciliation service ACAS this afternoon.