UK firm Apex Circuit Design has designed the 3.36-mile anticlockwise circuit – which winds around the Hard Rock Stadium in Miami Gardens – with an expected lap time of 1m35s and an average speed of just under 135mph. Paving the track required 24,000 tons of asphalt, which was laid out over 85,000 yards in echelon over three lanes for an average track of 50-feet width. Construction ...Keep reading
