Question An improperly placarded vehicle can only be moved: Answers To make room for other vehicles. In an emergency. If the vehicle will be traveling fewer than 10 miles. Explanation A vehicle that has not been properly placarded may not be driven, except when necessary to protect life or property in an emergency. Take a FREE Practice Test Now This questions appears in the following tests: Connecticut HazMat , Louisiana HazMat , Utah HazMat ,