In the initial pursuit, Ponch crashes, the bike overturns, and the windshield is broken. In the subsequent scenes, the windshield is undamaged.
At the end when Ponch and Jon are driving home the sun is low in the sky as one would expect at the end of the shift. But when Ponch tells the woman to pull over the sun is suddenly high over head.
When Frank finds his bike glued to the pavement, the glue is still wet and splashes as he walks to the bike to move it, yet it is shown as hard when he tries to move it a few seconds later.
The glue shown spilled on the freeway would not be strong enough to hold a rubber tire to pavement.
At the beginning and at the end when when Ponch and John are chasing the crooks through downtown LA, not only are the streets empty but also all of the parking lots are also empty.
The "Bushkin" semi tractor has a 1973 inspection sticker on the windshield. Jon could have written another citation for that but it 's revealing that a lot of the trucks used in the course of the series are much older models that would probably have been retired from commercial hauling by 1977.
Throughout the series most of the motor officers mount and dismount their bike to the right side of the bike. Most skilled riders only mount and dismount to the left side.
When Bear and Fritz arrive in their cars to the crashed glue truck, the siren sounds are from the motorcycles, not cars.
When talking to the girl in the VW, Ponch tells her he has been on the CHP for two years. In subsequent dialog, he tells her it has taken him three years to build a reputation as a killer.