SALT LAKE CITY?Olympic security officials may restrict hazardous material shipments from passing near Olympic venues during the Winter Games.

City officials are working with the Utah Olympic Public Safety Command and Secret Service to determine the cost of limiting truck traffic near venues, said Joshua Ewing, a city spokesman.

Safety officials say they’re worried about a spill or release of materials such as poisonous gas. A release could force the shutdown of an Olympic venue.

While officials acknowledge they can’t prevent all shipments from entering the state, security will be enhanced at truck inspection stations around Utah during the Games.