Other offences within the Road Traffic Act include: refusal to allow the vehicle to be weighed, and obstruction of an officer which also carries a maximum fine of £5,000.
Mae troseddau eraill yn y Ddeddf Traffig Ffyrdd yn cynnwys gwrthod gadael i’r cerbyd gael ei bwyso a chreu rhwystr i swyddog sydd hefyd ag uchafswm dirwy o £5,000.