Race to build driverless cars is in full throttle

Saturday, April 6, 2013 | 6:00 a.m. CDT; updated 5:41 p.m. CDT, Tuesday, March 11, 2014

KANSAS CITY, Mo. — To call Tim Sylvester a road builder misses the point. The streets he intends to build are embedded with electronic sensors that might keep cars of the future from speeding, veering and crashing.