Whilst the figures tend to suggest the efficacy of the 20mph limit, it has been my experience that there remains a hardcore of drivers who blatantly ignore the signs.

What measures, if any, are being implemented to enforce the limits?

Or are they being treated as just advisory signs?

The worst culprits in my area tend to be the taxi driver and younger male driver, who will only address their ‘need for speed’ with a hefty penalty fine, it seems.

woolywords (via website).