Increase safety for motorcyclists and reduce traffic congestion by legalizing lane-sharing for motorcycle.

These videos are very educational and can explain why it is has to be motorcyclist's choice:

https://www.youtube.com/watch?v=oqRcZR70Zhc

https://www.youtube.com/watch?v=GmbKRmBxsxE

http://www.youtube.com/watch?feature=player_embedded&v=JNGD9AAIfFU