Is the discussion "there should be separate
lines for bicycles"?

It a great idea and here we have countless of
km of those, including in urban areas, but
surely the ambition isn't a complete
separation? That would be out of the question
he I ride my bike 3-4 times a day and ~5% of
the time on special lines, the rest is among
the cars like everyone else.

Here, most accidents that involve a bike AND
a car, 75-80% of those happen at intersections
when the bike rider expects (?) the car to
stop, but it doesn't. [1]

[1] According to Irene Isaksson-Hellman, traffic
analyzer at If, an insurance company.

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