Police arrested 20 drivers for suspected drunken driving between June 18 and Sunday; three were involved in traffic accidents and one was younger than 21.
Police have made 698 suspected DUI arrests this year compared with 720 during the same period in 2011, according to the Hawaii Police Department.
Kona officers arrested a dozen motorists while Puna and South Hilo arrested four in each district, according to police.
There have been 727 major accidents this year compared with 682 during the same period last year.
To date, there have been 14 traffic fatalities on Big Island public roadways, compared with 11 fatalities during the same period in 2011, according to police. To date, six of those fatalities were related to drugs, three to alcohol and two to a combination of alcohol and drugs.