Police are prosecuting 22 drivers after a cruising event in Clacton.
Officers said dozens of people complained about dangerous driving at the event at Stephenson Road on the Goresbrook Industrial Estate one Sunday in June.
They studied CCTV from local businesses and tracked down the offenders. They say they won't tolerate anti-social driving
The notices were sent out as part of Operation Calla, a dedicated operation dealing with cruising, street racing and anti-social driving across Essex.
More than 400 warning letters have been sent letters have been sent to drivers found either racing, cruising or drifting in Essex.
Anyone with information about anti-social driving is asked to call Essex Police on 101 or report information online by visit www.essex.police.uk.