Im all for compulsory cycle training. Lets make it part of our driving test with say a retest every 10 years. Rather than being a driving test , make it a roaduser test and include practical cycling training in all aspects of driving training. including hgv and psv licence training. To be truly bike aware you need to have experience as a cyclist on our roads.
Stiffer sentences for death by dangerous driving. Look at the sentences passed to the rioters in comparison with someone who kills another roaduser whilst distracted etc.
6 weeks driving ban if caught using a hand held mobile whilst driving.
Better cycle lanes and infrastucture
Better consideration to all road users from both vehicles and bikes.
A national tv campaign , pass slow and wide like you do with horses.