Patrick George in Jalopnik:
On Saturday, the mad Swedes at Koenigsegg did something truly remarkable: in an Agera RS, a factory driver achieved an average speed of 277.9 mph during two runs on Nevada’s Route 160 between Las Vegas and Pahrump. This may make the Agera RS the world’s fastest street legal production car. Now you can see what those runs looked like from the driver’s perspective.
More here.