The NTSB says it is now reviewing documentation on the performance of the track circuit both before and after the June 17 repair.

CNN: NTSB says train detection system failed in days before D.C. crash

Mr. Kumar: We provide connectivity for the 20 race locations around the world, and that enables both F1 and some of the race teams to optimize and fully leverage the data that's being collected from the track and the races to improve the performance of cars on the circuit.

WSJ: Tata Unit Seeks Profile Boost Via F1 Deal

Toseland, who enjoyed his best performance of last season at this circuit, was among the pacesetters over the opening laps and ended up seventh fastest despite his misdemeanour - merely a result of pushing the front end too hard as he chased an improved lap time.

BBC: Matt Roberts' MotoGP column

Progress in many areas of ICT follows Moore's law, they write, which suggests that circuit performance should double every 1-2 years.

ECONOMIST: Economics Focus