The accident happened at the intersection of Guy R. Brewer and Rockaway Boulevards near JFK Airport on Saturday just before 9 p.m.
The mother and daughter were in one car. In the second car, there were four people -- two are in critical condition, and the other two are in unknown condition. They were all transported to Jamaica Hospital.
It is unclear what caused the crash.
ALSO READ | Investigation underway after 3 found dead inside Long Island home
* More Queens news
* Send us a news tip
* Download the abc7NY app for breaking news alerts
* Follow us on YouTube
Submit a News Tip