1. What justification is there for the traffic calming measures recently installed in Arborfield (Two sets off the roundabout near Lockey Farm)

2. Why was that traffic calming method chosen over speed bumps?

3. How many crashes have there been in that area since installation and how many within 3 years prior?

4. Is there a process for reviewing these traffic calming measures and their effectiveness. If yes, what are they.