Doha: Public Works Authority (Ashghal) has announced a partial temporary closure of the third lane on C-Ring Road for commuters between Al Mansoura Intersection (Gulf Cinema Signal) towards Najma Intersection (Toyota Signal). The closure shall be effective from 20th October to 30th December 2012. This inevitable closure is part of improvement works on the irrigation water network within Doha and Rayyan, a release said..