New York City Department of Transportation (NYC DOT) contractors will begin cleaning the Roosevelt Island portion of the Ed Koch Queensboro Bridge on Wednesday, June 23rd through Tuesday, June 30th. Traffic on the south side of the island may be temporarily impacted by the cleaning from time to time so please watch for PSD officers and possible changes in traffic patterns. If you have any questions, or need to report an unsafe condition, please contact PSD directly at 212-832-4545.