> it follows the Poisson distribution and forms clusters I'd like to see evidence for this assertion, and if true, whether the Poisson frequency maxima are now increasing between the clusters.
A205 Lordship Lane A2214 East Dulwich Grove - East Dulwich Road A2216 Dog Kennel Hill - Grove Vale - Lordship Lane B219 Barry Road - Peckham Rye B238 Forest Hill Road - Peckham Rye These are the proposed restricted roads.
The question is which is the better road. My vote goes to Court Lane on the basis that over many decades this has been the better of the two roads to drive on.