[craftyguy]

> but we solve them by designing intersections such that they can't happen.

How? I'm a cyclist who also has to contend with these same problems..

[hprotagonist]

for cyclists (and i’m a cyclist too), the dutch basically have this solved. You do this: https://bicycledutch.wordpress.com/2018/02/20/a-common-urban...

For motorcycles, you mostly only have to ensure turn arrows as well as normal stoplights. Permitting lane-splitting also helps.