It looks as though they were having a crackdown on Riding on Two Wheels (or at least, the nobbers that ride along the pavement after coming out of Southwark Park), and Driving While Dark.
@NotThamesWater started
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It looks as though they were having a crackdown on Riding on Two Wheels (or at least, the nobbers that ride along the pavement after coming out of Southwark Park), and Driving While Dark.