A guaranteed way to get drivers to slow down and comply with work zone speed limits is to use average speed cameras. Deployed in the UK for over a decade now, they have had a huge impact, not least in achieving around 99 per cent compliance with speed limits. It's not difficult to understand: when someone knows that if they speed through a work zone it is absolutely guaranteed that they will be caught, fined and have points on their licence, only a total fool would. In the UK, SPECS average speed cameras we