The speed to which the officer slows is based on the amount of time needed to clear the accident ahead.
In 2004, one Alameda County man ran a traffic break to aid in the emergency landing of a small Cessna 172 on Interstate 580.
Since anyone attempting to pass them would be doing so on the shoulder and thereby garnering a ticket from the officer, traffic speeds are kept at the desired level.
[6] In fiction, Thomas the Tank Engine initiated a traffic break by rapidly shifting between tracks to keep his competitors from winning a hypothetical stunt competition.
[7] Furthermore, in the book The No Cussing Club by McKay Hatch, two characters conceive of a scenario whereby a hovercraft in Scandinavia can initiate a traffic break during a police narcotics operation.