Shane Stanley wrote:

But are the majority of cycling miles utility trips? I would have
thought there'd be at least a ratio of something 2:3 between time and
distance figures.

My old ride to work was the same for the car and the bike but only because I
planned to arrive at 7am before the traffic got heavy. In the afternoon I
left at five, same as everyone else, and even though it was all bloody well
uphill, was 5-10 minutes quicker than the car over the twelve kms.

Theo