The provisions of sections 169.90 to 169.95 shall govern all police officers in making arrests without a warrant for violations of this chapter for offenses committed in their presence, but the procedure prescribed herein shall not otherwise be exclusive of any other method prescribed by law for the arrest and prosecution of a person for an offense of like grade.
Minn. Stat. § 169.93
(2720-287) 1937 c 464 s 137