Careless driving, which can include driving too close to other vehicles or failing to comply with road signs or markings, is not only anti-social but could result in a collision.
Mae gyrru diofal, sy’n gallu cynnwys gyrru’n rhy agos at gerbydau eraill neu fethu â chydymffurfio ag arwyddion neu farciau ffyrdd, nid yn unig yn wrthgymdeithasol ond yn gallu arwain at wrthdrawiad.