Volvo’s driverless road train in Spain is public mainly on the plain (video)

It’s been awhile since we saw Volvo’s SARTRE (Safe Road Trains for the Environment) project, which was last running out of harm’s way on a test track near Gothenburg. Volvo has just taken a big step forward in fostering confidence by conducting its road train on public asphalt. The 124-mile Spanish test both proved that the cars could stay driverless without posing a threat and upped the ante for what the cars could do: