The FIA have changed the length of one of the Miami International Autodrome's DRS (Drag Reduction System) zones ahead of the inaugural Miami Grand Prix.
The new venue, built around the Hard Rock Stadium in Miami Gardens, counts 19 corners and three long flat-out sections of track, all of which will include DRS zones.
The second DRS zone - which runs from Turn 8, through Turns 9 and 10, and into the braking zone before Turn 11 - will offer drivers within one second of the car ahead a golden opportunity to pass.
And that DRS zone has now been lengthened, offering even more time for drivers to run their cars at top speed, with reduced drag, in their bid to overtake.
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What DRS changes have been made?
On the initial track map, the DRS activation point for the circuit's second DRS zone was positioned 67 metres after the apex of Turn 8.
Now, in a change that will see the DRS zone elongated by 37 metres, a second version of the track map released by the FIA shows that the activation point has been moved to just 30 metres after the corner's apex.
The FIA have also opted to move all three DRS detection points between seven metres and three metres from their original positions.
However, with those points positioned after Turns 8, 16 and 17, and not before, it remains unlikely that drivers will be seen fighting over them.
The start lines for Sectors 2 and 3 have also been moved from between 29 metres and 12 metres from their original positions, slightly changing their split times as a result.
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