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The issue involving something as simple as choice of paint color underscores the sweeping effects of self-driving cars for automotive engineering, said Samit Ghosh, CEO of automotive consulting and engineering firm P3 North America.

As automakers push aggressive time frames for introducing driverless vehicles, the outreach needed to convince the public that the technology represents a positive development appears still to be wanting.

Commercial truck drivers in Mexico who go through a new Arizona cross-border program are less likely to be flagged for safety violations when they show up at ports of entry, officials said.

Apple Inc. has expanded its California self-driving test fleet to 27 vehicles as it accelerates efforts to catch up with competitors such as Alphabet Inc.’s Waymo.

A second federal safety agency has opened an investigation of an accident in which a Tesla car on “Autopilot” rammed into a parked fire truck.

For the third successive year, Atlanta’s five-level stack interchange known as “Spaghetti Junction,” where Interstates 285 and I-85 north intersect, is again the most congested freight bottleneck in the nation, according to new research conducted by the American Transportation Research Institute.

Massachusetts Gov. Charlie Baker on Jan. 23 created the commission through an executive order and appointed his former chief of staff, Steve Kadish, as the chairman.

General Motors is in a race to be the first company to mass produce self-driving cars, but a recent crash with a San Francisco motorcyclist has illustrated the tricky challenge of assigning blame when an autonomous vehicle gets in an accident.

A glitch in the federal drug and alcohol clearinghouse final rule requires state licensing agencies to check the database for drivers who have flunked their drug tests, but fails to give state agencies the regulatory authority to take action by downgrading or declining to issue a commercial driver license to those drivers.