Fixed speed cameras are located at both locations."I drive up Goodwood Road twice a week to work and I'm very aware of those signs, but they're not that easy to see," Mary told 891 ABC Adelaide."Yes, they're flashing, and yes, they're flashing 40, but they're half hidden by the trees."And you're just going over the tram line and there's the sign, but there's a lot of other stuff going on at that point on the road and you have to be aware that it's there beforehand."Many of those who had received fines contacted the Breakfast program by text."There [must] be something very wrong with the signposting on Goodwood Road That needs a flashing light." — Meg"Anything that makes you think 'What time is it? What day is it? Is it holidays?' Is SO unsafe! They need flashing lights when active (And I'm a mum of school age kids)!" — AnonymousAccording to the RAA, crash data reveals that about 40 per cent of road incidents involving pedestrians or cyclists under the age of 16 occur at 8-9am or 3-4pm.RAA safety and infrastructure senior manager Charles Mountain said the new road rules brought SA in line with what the eastern states have had for "decades"."It's going to take a little while for people to get used to them, particularly as these become more common on the network," he said.A couple of listeners appreciated the stated safety goals of the zones."Driving past a school the other day