I think the mandatory helmet laws aren't helping either: it instils the impression that you're doing something inherently dangerous on a space not intended for you.
Oddly, the use of helmets may alter the perceptions of drivers opposite to what you suggest. There have been a couple studies showing that drivers, when seeing a bicycle commuter wearing a helmet, give that bicycle rider *less* room upon passing, compared to a bicycle rider who is not wearing a helmet.
There's a good summary of the observed effect which also provides links to the published research:
the use of helmets may alter the perceptions of drivers opposite to what you suggest
I think both can be true:
1. "cyclists are better protected, so less need to be careful"
2. "cyclists are engaging in something dangerous and unusual because they need to wear a helmet".
I looked at this a few years ago, and I found most studies on the topic inconclusive, some studies with contradicting results, etc. so in general I'm a bit hesitant citing studies on the topic.
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Oddly, the use of helmets may alter the perceptions of drivers opposite to what you suggest. There have been a couple studies showing that drivers, when seeing a bicycle commuter wearing a helmet, give that bicycle rider *less* room upon passing, compared to a bicycle rider who is not wearing a helmet.
There's a good summary of the observed effect which also provides links to the published research:
https://www.bicycling.com/news/a25358099/drivers-give-helmet...
I think both can be true:
1. "cyclists are better protected, so less need to be careful"
2. "cyclists are engaging in something dangerous and unusual because they need to wear a helmet".
I looked at this a few years ago, and I found most studies on the topic inconclusive, some studies with contradicting results, etc. so in general I'm a bit hesitant citing studies on the topic.