The cars slowed down and the drivers rubbernecked after the accident.
Examples of rubberneck
rubberneck
If you're the type who likes to rubberneck at freeway pileups, this is the show for you.
From the sacbee.com
The ballroom was nearly empty save for the cameramen and scribes on hand to rubberneck the crash.
From the swampland.time.com
Either people still love Jerry, or they're slowing down to rubberneck at a terrible mishap, I guess.
From the time.com
Even the ancient Greeks liked to rubberneck at disaster.
From the nytimes.com
Take time to gasp, to turn in circles as you rubberneck.
From the statesman.com
Keep pace with the traffic flow and don't slow to rubberneck.
From the jacksonville.com
What are memoirs, really, but an invitation to rubberneck at the multicar pileups in someone else's life?
From the time.com
Namely, don't open the goodie bag in the venue, don't be on time, and don't rubberneck the celebrities.
From the independent.co.uk
The time was when a Test team being skittled for under 100 was such a rare event that everyone would stop to rubberneck.
From the guardian.co.uk
More examples
Sightseer: a tourist who is visiting sights of interest
Strain to watch; stare curiously; "The cars slowed down and the drivers rubbernecked after the accident"
A person who stares inquisitively
Rubberneck is the most successful album by the post-grunge band Toadies. It was released in August 1994 on Interscope Records and attained RIAA gold and platinum status in December 1995 and December 1996 respectively. The album produced the band's most popular single, "Possum Kingdom". ...
Rubbernecking describes the act of gawking at something of interest. It is often used to refer to drivers trying to view the carnage resulting from a traffic accident. The term refers to the craning of a person's neck in order to get a better view.
Someone who engages in rubbernecking, or turning and staring; A tourist; Someone or something with a flexible neck; To watch by craning the neck (as though it were made of rubber), especially if the observer and observed are in motion relative to each other
(rubbernecking) The act of slowing down whilst driving a vehicle, so as to look at the scene of an accident; Generally, any act of observation in a manner considered unduly overt or otherwise unseemly
(Rubbernecking) is where drivers slow down to look at accidents or anything out of the ordinary on the highway. Events ranging from gruesome car accidents to a police car stopped on the shoulder can cause traffic jams on both sides of the road, even if the roadway has been cleared.
Verb. To stare inquisitively, to gawp. Derived from the rarely used noun rubbernecker. {Informal} [Orig. U.S.. Late 1800s]