Don’t rely on sat navs when speed limits are lowered, drivers warned

Get the free Morning Headlines email for news from our reporters across the world Sign up to our free Morning Headlines email Sign up to our free Morning Headlines email SIGN UP I would like to be emailed about offers, events and updates from The Independent. On Thursday, Commons Leader Penny Mordaunt said having such a 20mph limit as the default for many roads is “crazy”, after acknowledging there are circumstances where it is a good idea. RAC head of policy Simon Williams said: “It’s vitally important that drivers are fully aware of the arrival of the 20mph limit in Wales, and pay full attention to all road signage. “And, until sat nav systems have been fully updated, they shouldn’t rely on them to know what the speed limit is on any particular stretch of Welsh road.” Mr Williams said compliance with 20mph limits is “quite poor” and it would be “more effective to target areas where they are most needed” such as on residential roads or in areas where there is high footfall. He added: “Even if compliance with new 20mph limits is poor, it should lead to an overall reduction in speeds which will have a positive effect on road safety.” Mr Drakeford told BBC Breakfast: “It is a major change.