(a) The Secretary of Public Safety, the Secretary of Safety and Homeland Security's deputies, state police and other sworn police officers are hereby authorized to make arrests without a warrant for any violation of this chapter committed in their presence.
(b) The Secretary of Public Safety, the Secretary of Safety and Homeland Security's deputies, state police and other sworn police officers authorized by the law to make arrests for violations of this chapter without a warrant are authorized upon reasonable and probable cause to believe, based upon personal investigation of a motor vehicle accident which may include information obtained from eyewitnesses, that a violation has been committed by any person then and there present and to arrest such person without a warrant.