• Because some (hopefully many) people will adhere to them, and if some cars adhere to the 20mph limit it prevents some others from exceeding it (whilst they're stuck behind them).

    And it's way cheaper than actually enforcing them.

  • Because some (hopefully many) people will adhere to them, and if some cars adhere to the 20mph limit it prevents some others from exceeding it (whilst they're stuck behind them).

    And it's way cheaper than actually enforcing them.

    I've found when driving at 20 that almost all drivers tailgate, overtake dangerously and generally get right uppity.

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