You shouldn't assume that this is always the case throughout the day. There are busy periods known as "rush hours" which can mean more pedestrians and cyclists, as well as more vehicle traffic. And even the odd straggler needs protecting from bad driving.
Consider public transport alternatives next time?
so what are you complaining about?
One would hope they are paid overtime and sanctioned if caught speeding
Dunno, something seems to be working, if you look at the figures
@artie provided - massive fall in accident rates over a 19 year period. Whatever it is, we need more of it!