precis: Seattle to Vancouver, 10 year phase in, starting with HOV lanes. Self-driving vehicles 80 hours/week - M-F 4am-8pm; overnight (8pm-4am) & weekends still

precis: Seattle to Vancouver, 10 year phase in, starting with HOV lanes. Self-driving vehicles 80 hours/week - M-F 4am-8pm; overnight (8pm-4am) & weekends still open to human drivers.