CHENNAI: With the onset of the northeast monsoon, the residents are worried about the prospect of water entering homes and flooding streets due to the rising height of roads and pending road work. The corporation maintains 461 bus route roads to a length of 387 km and 34,640 interior roads for 5,270 km. Since June, the corporation has undertaken 11,248 road work on 1,806 km at `1,030 crore. According to the officials, work on more than 400 of these roads is over and the rest will be completed soon.