The Maryland Department of Transportation State Highway Administration will perform routine maintenance on the?MD 4 (Governor Thomas Johnson) Bridge ?at the Calvert County / St. Mary’s County line starting 6 a.m. Sunday, October 4. One of two lanes will be closed, and the lane will open to traffic no later than 2 p.m. that afternoon, weather permitting.

Maintenance crews will replace reflectors and clean the drainage system and bridge deck (driving surface). Drivers will be guided using a flagging operation. The State Highway Administration will use flaggers and portable variable message signs to guide motorists safely through the work zone.

Drivers are asked to slow down in the work zone for the safety of all drivers and the crews working to improve our roadways. Portable variable message signs will provide advanced notification of the work. Customers may contact the District 5 Office at 410-841-1000 or 1-800-331-5603 with any questions.?

The State Highway Administration is?Serious About Safety.?Motorists are urged to remain alert and avoid distractions when traveling through the work zone. Motorists should obey all posted speed limits.?Motorists can dial #77 on their mobile devices for roadside?assistance. 

For a list of all major State Highway Administration projects, news and travel information, visit roads.maryland.gov.