MD 170 signMotorists Should Expect Nighttime Detours; Allow Additional Travel Time (August 16, 2022) – The Maryland Department of Transportation State Highway Administration (MDOT SHA) will start aresurfacing project on Sunday, August 21, to improve the driving surface and enhance safety on five ramps at the MD 170 (Aviation Boulevard)/I-195 interchange near BWI Thurgood Marshall Airport in Anne Arundel County.Beginning August 21, crews will work nightly from 9 p.m. to 4 a.m. Sunday evening to Friday morning, to mill, patch and resurface the following ramps in sequential order:Northbound MD 170 to westbound I-195.Westbound I-195 to northbound and southbound MD 170.Southbound MD 170 to westbound I-195.Eastbound I-195 to southbound MD 170.Southbound MD 170 to eastbound I-195. The northbound MD 170 ramp to westbound I-195 will be temporarily closed during work hours for approximately four nights. Motorists will be directed to follow the detour to northbound 170; turn left onto Elkridge Landing Road; turn right onto southbound MD 170; then merge onto westbound I-195. Portable and overhead variable message signs will provide advanced notification of the work. Signs will guide motorists through the detour.Once complete, crews will work on the westbound I-I95 to northbound and southbound MD 170, next. Each ramp will take approximately four nights to complete, with the entire project expected to be complete by mid-September, weather permitting. MDOT SHA contractor Team Cam Services LLC, of Linthicum, is performing the work.Customers who have questions about this work may contact the MDOT SHA District 5 Office at 410-841-1000 or toll-free at 1-800-331-5603. 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 traffic pattern changes. Please drive like you work here and slowdown in construction zones.Motorists in need may 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.