Why highways should isolate self-driving cars in special smart lanes

GUEST: The race is on. Tech giants like Google, Tesla and most car makers — from Toyota to Ford and Volvo — are betting billions to get intelligent self-driving cars on the road as soon as possible. Earlier this month, Apple became the 30th company to be granted permission to test autonomous vehicles on California by the state’s DMV. Even Amazon is reported to have created a team to understand how to best leverage the upcoming revolution. And Waymo (sister company of Googl