Shanghai, like most modern Chinese cities has seen a huge influx of workers moving from the surrounding rural communities into the cities. With many of these unskilled labourers using taxi driving to earn a living, taking a cab in Shanghai can be a dicey activity.

To instil a bit more confidence in their transport system, the Chinese have introduced a star rating system to help nervous passengers like myself. The star rating is loosely based on driving experience and ability to speak English.

I couldn’t help wonder if a similar policy could be introduced in London, maybe based on quality of conversation, likelihood that you’ll get the correct change and passive attitude towards cyclists...