Completely agree. They're excellent and really have made it much safer. I'm a regular bus rider along Lewes Road and it always looked awful for cyclists before, seems much better now.
Only improvement would be make it work at every bus stop, but that'd require significantly narrowing the...
I'm not sure how you could better design them. If you run them through the bus lane that causes problems at bus stops. Running them behind the bus stop is probably the best option for everyone concerned.