Yes I just got one couple of days back. 620 Aed to be precise. Speed limit was 80km/hr, Allowable 100km/hr. I was driving 101km/hr 
Dont allow children below 14 to sit in front seat. Its also not allowed, specially babies.
When i was new in Dubai i unintentionally was standing in the ladies compartment in Metro. A shurta (police lady) was there at that time. She requested me politely to stand on the other side of the line without giving any fine.
2 times i have been caught by CID guys, they verify identity and leave you