Saint Marys County Traffic and Road Conditions

 

Saint Marys County Traffic Map

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How to Use the Saint Marys County Traffic Map
Traffic flow, road conditions and incident information
Traffic Flow Lines
Red/White dashed lines indicate a closed road.
Grey/White dashed lines indicate road work.
Red lines indicate heavy traffic flow.
Yellow/Orange lines indicate medium traffic flow.
Green lines indicate normal traffic flow.
Black lines or areas without visible traffic flow may indicate a road closure, limited vehicle activity, or a roadway where traffic flow is not currently monitored.
Traffic Incidents
Each map icon represents a traffic event or incident, such as road construction, a road closure (red circle with a white dash), or an accident.
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Please note:During extreme weather, flooding, accidents or other major incidents, traffic in Saint Marys County, MD may still appear as a green line even when individual lanes or an entire roadway is closed.

Saint Marys County Traffic Alerts

<span>State Highway Administration Begins US 301 / MD 5 Safety and Resurfacing Project in Charles County - MDOT SHA</span> <span><meta property="og:url" content="https://roads.maryland.gov/mdotsha/pages/pressreleasedetails.aspx?PageId=818&newsId=5767"><meta property="og:type" content="website"><meta property="og:title" content="State Highway Administration Begins US 301 / MD 5 Safety and Resurfacing Project in Charles County - MDOT SHA"><meta property="og:description" content="State Highway Administration Begins US 301 / MD 5 Safety and Resurfacing Project in Charles County"><meta property="og:image" content="https://roads.maryland.gov/OCImages/US_301_300x228.jpg"><meta property="og:image:alt" content="Maryland State Highway Administration"><meta property="og:site_name" content=" MDOT State Highway Administration"></span>
roads.maryland.gov Nov 5, 2026
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<span>***I-695 TRAFFIC ALERT*** State Highway Administration to Close, Detour the Outer Loop of I-695 Ramp to Northbound MD 147 (Harford Road) This Weekend for Pipe Installation  - MDOT SHA</span> <span><meta property="og:url" content="https://roads.maryland.gov/mdotsha/pages/pressreleasedetails.aspx?PageId=818&newsId=5763"><meta property="og:type" content="website"><meta property="og:title" content="***I-695 TRAFFIC ALERT*** State Highway Administration to Close, Detour the Outer Loop of I-695 Ramp to Northbound MD 147 (Harford Road) This Weekend for Pipe Installation  - MDOT SHA"><meta property="og:description" content="***I-695 TRAFFIC ALERT*** State Highway Administration to Close, Detour the Outer Loop of I-695 Ramp to Northbound MD 147 (Harford Road) This Weekend for Pipe Installation "><meta property="og:image" content="https://roads.maryland.gov/OCImages/I-695_sign.png"><meta property="og:image:alt" content="Maryland State Highway Administration"><meta property="og:site_name" content=" MDOT State Highway Administration"></span>
roads.maryland.gov Nov 2, 2026
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<span>***TRAFFIC ALERT*** Southbound MD 170 Lane Shift for Drainage Repairs Scheduled for Next Week in Anne Arundel County - MDOT SHA</span> <span><meta property="og:url" content="https://roads.maryland.gov/mdotsha/pages/pressreleasedetails.aspx?PageId=818&newsId=5761"><meta property="og:type" content="website"><meta property="og:title" content="***TRAFFIC ALERT*** Southbound MD 170 Lane Shift for Drainage Repairs Scheduled for Next Week in Anne Arundel County - MDOT SHA"><meta property="og:description" content="***TRAFFIC ALERT*** Southbound MD 170 Lane Shift for Drainage Repairs Scheduled for Next Week in Anne Arundel County"><meta property="og:image" content="https://roads.maryland.gov/OCImages/MD_170_sign.png"><meta property="og:image:alt" content="Maryland State Highway Administration"><meta property="og:site_name" content=" MDOT State Highway Administration"></span>
roads.maryland.gov Oct 29, 2026
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<span>SHA Planned Lane Closure Update (11/01 to 11/08) - MDOT SHA</span> <span><meta property="og:url" content="https://roads.maryland.gov/mdotsha/pages/pressreleasedetails.aspx?PageId=818&newsId=1316"><meta property="og:type" content="website"><meta property="og:title" content="SHA Planned Lane Closure Update (11/01 to 11/08) - MDOT SHA"><meta property="og:description" content="An official website of the State of Maryland."><meta property="og:image" content="https://www.roads.maryland.gov/OCImages/FullColorMDOTSHA-LG.jpg"><meta property="og:image:alt" content="Maryland State Highway Administration Logo"><meta property="og:site_name" content=" MDOT State Highway Administration"></span>
roads.maryland.gov
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For More In-Depth MD Traffic and Road Conditions See: Official Maryland 511 Traffic site

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National Traffic Forecast

 

Heavy Rain Threats and Strong Winds Impact U.S. Roads 11-06 to 11-08
Updated Fri Nov 6th 2026, 6:53am PST
Mid-Atlantic and New England
Heavy rain is on the horizon today for the Mid-Atlantic coast up to southeastern New England. Travelers along the I-95 corridor should expect showers and thunderstorms. Southeastern New England, including areas around Route 1, will face heavy rain through tonight into Saturday morning. By Saturday, colder conditions will push through, with potential wet snow in the higher elevations.
South Texas
This weekend, get ready for increasing rainfall across South Texas. The moisture will build as we move towards Sunday, affecting routes like US-83 and US-77. Plan for wet roads and possible ponding.
Pacific Northwest
A strong Pacific storm is set to bring winds and rain starting Sunday morning. Travelers on I-5 and US-101 should anticipate slick conditions and gusty winds that may affect commute times.
Great Lakes to Ohio Valley
A mix of cold rain and possibly wet snow will affect the Great Lakes region today, particularly near the Canadian border. Anticipate slower travel on I-90 and I-75 due to damp conditions. By Saturday, colder temperatures will spread from the southern Plains to the Ohio Valley, potentially affecting roads like I-70.
Northern Plains
Enjoy milder and dry conditions across the northern Plains with the passage of a clipper system. Expect smooth travels along routes like I-94.

Currently

Overcast 67°F
29.85 inHg.
Barometer
82%
Humidity
NNE 9 mph
Wind
Overcast

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