Slow commute greets Longfellow Bridge travelers Workweek drivers cross at a snail’s pace as the storied span’s lanes are reconfigured to aid repairs ← Related Article Visit The Boston Globe Share on Twitter Share on Facebook Comment on this Scroll to top of page Pat Greenhouse/Globe Staff Today was the first workday commute after the partial closure of the Longfellow Bridge, seen here from Boston. Pat Greenhouse/Globe Staff No cars are allowed from Boston to Cambridge and vehicles coming into Boston now use the opposite side of the bridge. Pat Greenhouse/Globe Staff The closure marks the beginning of a $255 million project to rehabilitate the more-than-100-year-old bridge, famous for its salt and pepper shaker towers. Pat Greenhouse/Globe Staff By 9:30 a.m., many drivers said they were running late and had spent too much time sitting in traffic on the Longfellow. Pat Greenhouse/Globe Staff State troopers stationed on the Boston side of the bridge explained the new routes to confused drivers, bicyclists, and pedestrians.