Hylan Boulevard’s new speed limit: 8 things you need to know Updated May 11, 2021; Posted May 11, 2021 Mayor Bill de Blasio has announced that the entire 14-mile span of Hylan Boulevard will soon have a 30-mile-per-hour speed limit. (Staten Island Advance/Paul Liotta) Facebook Share STATEN ISLAND, N.Y. -- A new speed limit is coming to Hylan Boulevard, prompting safe streets advocates to rejoice, as elected officials and angry motorists fume over what they believe to be the latest chapter in the city’s war on cars. The decision to implement a 30-mile-per-hour speed limit along the entire span of Staten Island’s longest street has unsurprisingly been met with mixed reaction within the community.