US 29 sign)Overnight Closure of US 29 Ramp to US 40 will Allow for Construction of Stormwater Retention Basin (July 21, 2021) – The Maryland Department of Transportation State Highway Administration (MDOT SHA) is helping Howard County with a flood protection project in Ellicott City tonight, Wednesday, July 21. Beginning at 10 p.m., MDOT SHA will close the northbound US 29 exit ramp to westbound US 40 to accommodate work to construct a stormwater retention basin. The ramp will reopen by 5 a.m. Thursday, July 22, weather permitting. Motorists destined for westbound US 40 will be directed to the eastbound US 40 exit and then turn onto the westbound lanes using the traffic signals at Ridge Road. MDOT SHA will use electronic signs, barrels and cones to alert motorists about the work zone and ramp closure. MDOT SHA works hard to maintain safe traffic mobility in work zones for our crews as well as our customers. Drivers need to stay alert, focus on driving and, look for reduced speed limits, as well as other driving pattern changes. Please drive like you work here and slow down in construction zones. Motorists can dial #77 on their mobile device for roadside assistance. For a list of all major MDOT SHA projects, go to Project Portal. Visit our homepage at roads.maryland.gov. For a look at real-time traffic conditions, go to md511.maryland.gov. Editor’s NoteFrom intersection improvements to widening and new interchange construction, MDOT SHA is investing in projects to enhance the commute and daily travel for millions of Marylanders. MDOT SHA maintains more than 2,500 bridges and 17,000 miles of non-toll state roads – the interstate, US and state numbered routes in Maryland’s 23 counties.