detective calvin ma says the force's efforts also have a secondary goal, education. >> main thing is not only doing the enforcement but we're also doing the education as well, too. we want it get the word out, we don't want people to drink and drive. if you do, then you will be arrested by multiple agencies. >> under no circumstances should you drink and drive, and police will be watching. the next time officers saturate the roads will be for the new year's holiday starting december 31st at 6:00 through midnight on january the 1st. >>> speed racing on residential streets popping up all over the bay area this holiday season. police say hundreds of cars took over several streets in fremont on friday night drag racing. it happened near the auto mall parkway and 880. officers worry that the races and side shows are becoming a bigger problem. check out this surveillance video we received from the police department of street racing a few weeks ago. watch the top left-hand corner of that screen carefully and you can see the headlights of cars zipping away. on the streets, skid marks left be