TORONTO - A Canadian truck driver has been fined for smoking in his vehicle because it is considered his workplace, a police spokeswoman said on Friday.

A police officer saw the 48-year-old trucker driving on a highway in southwestern Ontario with a cigarette in his mouth on Wednesday, and gave him a C$305 ($290) ticket.

The Smoke-Free Ontario Act, adopted in 2006, prohibits smoking in an enclosed workplace or enclosed public area, and that extends to work vehicles, said Constable Shawna Coulter of the Ontario Provincial Police in Essex County.

"We enforce the legislation and this truck driver was in violation of that," she said.