Unless a collective bargaining agreement provides otherwise, an employee is not entitled to compensation for the time that an employee spends traveling to and from the worksite on transportation provided by the employer, when during that time, the employee performs no work, the transportation is provided by the employer as a convenience for the employee, and the employee is not required by the employer to use that means of transportation to the worksite. An employee is entitled to compensation for the time that an employee spends traveling between worksites if the travel is done during working hours.