Prematurely accelerating the implementation of fully autonomous trucking (no driver in the cab) seems like an idea that could be fraught with risk. While driverless long-haul trucks have the potential to increase economic productivity by enabling more cost-effective transport of goods, the technology is not yet ready for prime time. There is growing pressure, however, to make it a reality sooner rather than later – particularly as long-distance trucking faces a worsening driver shortage. At the same time, highway infrastructure in many parts of the country is clearly inadequate even for today’s traffic, let alone a mixed bag of driven...