Yellow cards to be trialled in pro cycling amid raft of UCI rule changes

The way time gaps are calculated is also set to be altered

The peloton at the Tour de Suisse with a yellow card overlaid
(Image credit: Getty Images)

A new 'yellow card' system will be trialled in professional cycling, as part of rule changes designed to promote safety in road races.

Cycling's governing body, the UCI, announced the rules on Wednesday evening. Alongside the yellow card system, there will be changes to the 3km rule - whereby riders affected by crashes or mechanicals in the closing kilometres are given the same finish time as those around them at the time of the incident -  how time gaps are calculated on sprint stages, and potential restrictions on using race radios.

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