LOCAL 0 Southern Expressway Speed Limit Reduced Due to Adverse Weather Written by:chanaka inojPosted on:16th July 2018 (COLOMBO, LANKAPUVATH) – THE ROAD DEVELOPMENT AUTHORITY HAS ADVISED TO DRIVERS TO TRAVEL THROUGH THE SOUTHERN EXPRESSWAY REDUCED THE SPEED LIMIT TO 60 KILOMETRES PER HOUR DUE TO PREVAILING WEATHER CONDITIONS ACROSS THE COUNTRY.