Is there a direct train from Catonsville to Arlington?

No, you must transfer at Union Station in Washington DC to the Metro system.

How much is the toll on I-495?

Tolls vary dynamically based on traffic volume and can range from $1 to over $20.

Is the MARC train reliable?

Yes, the Penn Line is generally reliable, though delays can occur during severe weather.

Can I take a bus from Catonsville to Arlington?

Yes, but it requires multiple transfers between MTA and WMATA bus systems, making it impractical.

What is the best time to drive to Arlington?

Mid-morning or late evening are the best times to avoid heavy traffic.

Catonsville

Arlington

Train Driving

Catonsville to Arlington

Updated: 30 May 2026

The journey from Catonsville to Arlington covers approximately 45 miles via I-95 S and I-495 S. Driving typically takes 60 to 90 minutes depending on heavy congestion near the Capital Beltway. Alternatively, you can take the MARC Penn Line from Halethorpe Station to Union Station, then transfer to the Metro. This route is a primary corridor for commuters moving between the Baltimore suburbs and Northern Virginia. Expect significant traffic delays during weekday rush hours.

Total Distance: 72 km driving distance; 60 km straight-line air distance.

Fastest Way

Driving during off-peak hours via I-95 S is the fastest method.

Cheapest Way

MARC train combined with Metro is the most cost-effective for solo travelers.

Compare Catonsville to Arlington Routes

	Train Connecting	Driving Direct
Duration	1 hour 45 mins	1 hour 15 mins
Avg Price	$10-$15	$15-$25 in fuel
Operator	MARC Train / WMATA Metro	Personal Vehicle
Route	MARC Penn Line from Halethorpe to Union Station, then Metro Red/Orange/Silver line.	I-95 S to I-495 S toward Northern Virginia.
Tip	Check the MARC schedule carefully as weekend service is significantly reduced.	Use the I-495 Express Lanes if you have an E-ZPass to bypass major bottlenecks.

Travel Tips

Avoid Rush Hour
Traffic on I-95 and the Beltway is notoriously heavy between 7 AM and 9 AM and 4 PM and 6 PM.
E-ZPass Requirement
Ensure you have an E-ZPass for the I-495 Express Lanes to save time and avoid toll violations.
Metro SmarTrip
Purchase a SmarTrip card or use the mobile app for seamless transfers between trains and buses.
Parking in Arlington
Street parking is limited; use public parking garages in Rosslyn or Clarendon to avoid tickets.
Check Train Schedules
Always verify the MARC train schedule on the MTA website before heading to the station.

Safety Tips

Stay Alert
The I-95 corridor involves high-speed merging; maintain a safe following distance.
Public Transit Safety
Keep your belongings secure while riding the Metro, especially during late-night hours.
Weather Awareness
Maryland and Virginia experience sudden thunderstorms; check forecasts before driving.
Emergency Contacts
Save local police non-emergency numbers for both Baltimore County and Arlington County.