Massachusetts Supreme Judicial Court July 16, 1986 (Commonwealth v. Amaral)

Wilkins, J.

The defendant appeals from his conviction of operating a motor vehicle while under the influence of intoxicating liquor. He challenges the denial of his motion to suppress evidence obtained on July 7, 1984, at a roadblock maintained by State troopers on Route 12 in West Boylston. That motion, which was based on both the Fourth Amendment to the Constitution of the United States and art.