Matt Hemsley, from sustainable transport charity Sustrans ,says the the Assembly should make the introduction of more speed restrictions part of future policy.
"Slower speeds limits really encourage people to get out and walk and cycle, which is really good for their health" he says.
"Fast-moving traffic in communities really puts people off".
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Drug charities in Wales say banning legal highs will only drive the drugs underground.
Scattered blustery showers will continue this afternoon especially in the north and west, heavy at times. Drier and brighter elsewhere.