The city is pledging $39 million to “fully redesign” McGuinness Boulevard in Greenpoint, where a hit-and-run driver fatally struck a public school teacher last month, Mayor Bill de Blasio announced on Friday. “Vision Zero has made New York City safer and more livable — but its work isn’t finished until corridors like McGuinness Boulevard are improved for everyone who uses them,” the mayor said in a statement. “We can change this city’s streets for the better and forge a better Greenpoint for generations of Brooklynites to come.” Matthew Jensen, an educator at Greenpoint’s PS 110, was crossing McGuinness on May 18 when he was fatally struck by…