Right in front of Yale SOM, at the crosswalk where pedestrians are walking and waiting to cross the street, there is a huge puddle when it rains. The splash from passing traffic creates an amazing tsunami that bathes everyone on the sidewalk, which gets covered with mud and scum from the road. Really gross. the drivers cannot avoid it, because the lanes are narrow there and the drivers can't swerve out of the way. I am not sure if it is due to a blocked drain or bad drainage (no drain).