>>A study here showed FWIW that drivers give less room to cyclists wearing helmets.
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>Just like any other measure... whatever action is taken, is taken against a current situation. Next time, it may work differently, because it has changed the situation the first time. There is no neutral observer.
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>>I have started cycling to my local supermarket. I may have to get some panniers though as you can't get much in a rucksack.
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>When we came here, I got an old car, so to have transportation until we manage. It lasted a few months, and then when it broke we were pedestrians for a few weeks. One rucksack (ordinary, not mountain climber's or hunter's) can take two gallons of milk, and about as much of other stuff on top of it.

Are you carless now ?

A trailer might be a good idea for the big shops