New York Vehicle & Traffic Law
Arrest for Violations of Sections Six Hundred and Six Hundred One
§ 602. Arrest for violations of sections six hundred and six hundred one. A peace officer, acting pursuant to his special duties, or a police officer may, without a warrant, arrest a person, in case of violation of section six hundred and section six hundred one, which in fact have been committed, though not in his presence, when he has reasonable cause to believe that the violation was committed by such person.