Port of Baltimore, Maryland
Heavy Haul at the Port of Baltimore
Ro/Ro, breakbulk and project cargo out of Dundalk Marine Terminal, trucked under Maryland permits with routing clear of the tunnels and escorts run by our own team.
This page is general information only, not legal advice and not a permit. Rules change often and each state's permit and official rules are the final word. Always confirm limits, escorts, routes and travel times with the state permit office before moving a load. Reliable Transport LLC is not responsible for decisions made using this information.
Port heavy haul
From Dundalk to the jobsite, clear of the tunnels
Reliable Transport LLC runs heavy haul and superload moves across the USA and Canada from our home base in Dayton, Ohio. For a Port of Baltimore load, our in house team files the MDOT SHA permit and any local permit, plans the route and books the escorts, and routes wide and tall loads clear of the Harbor and Fort McHenry tunnels.
Hauling through other states? Use our permit map and route planner
Open the route plannerInside the port
Dundalk, tunnels and Beltway hours
Terminal facts come from the Maryland Port Administration and permit rules from COMAR and MDOT SHA, each confirmed by a second source.
Dundalk Marine Terminal
The 570 acre terminal has 13 berths and direct rail access, with 225 acres of automobile storage and 93 acres for Ro/Ro. It handles Ro/Ro, autos, breakbulk and project cargo, with truck access to I 95 and I 695 close by. (Maryland Port Administration, Dundalk Marine Terminal, Maryland Manual, Port of Baltimore, MDOT, Dundalk Marine Terminal project description)
Harbor and Fort McHenry tunnels
No permitted load over 8'W or 13'6"H in the Harbor Tunnel on I 895, and none over 11'W or 14'6"H in the Fort McHenry Tunnel on I 95. (COMAR 11.04.02.05, toll facilities, MDOT SHA Maryland Route Restrictions (9/15/2026))
Authority highways and the Key Bridge
On Maryland Transportation Authority highways, oversize loads run in daylight from 9 a.m. Monday to noon Friday unless the Authority approves. The Francis Scott Key Bridge is closed. (COMAR 11.04.02.05, toll facilities, MDOT SHA hauling permits)
Heavy loads to Dundalk
Loads over 120,000 lbs going to or from Dundalk Marine Terminal on I 95 need a Baltimore City permit as well as the state permit. (MDOT SHA Maryland Route Restrictions (9/15/2026))
Beltway hours
On the Baltimore Beltway (I 695), loads 12'W or more run 9 a.m. to 3:30 p.m. only. (COMAR 11.04.02.06, travel times)
Sources: Maryland Port Administration, Dundalk Marine Terminal; Maryland Manual, Port of Baltimore; MDOT, Dundalk Marine Terminal project description; COMAR 11.04.02.05, toll facilities; MDOT SHA Maryland Route Restrictions (9/15/2026); COMAR 11.04.02.06, travel times; MDOT SHA hauling permits.
Maryland rules
Port of Baltimore oversize rules at a glance
The tunnel rules first, then the Maryland rules every port load runs under.
Baltimore and Maryland
Official sources linkedRules change often. We checked these on October 2, 2026 against the official sources linked in each row, and each one against a second source. Rules we could not confirm twice are left off this page. Our permitting team confirms the current rules for every move.
Our moves
Heavy loads we have moved
These moves ran on other routes. They show the size of loads our team permits, routes and escorts.
19'W to 24'W loads
Port of Houston, Texas to Arizona in June 2024, with 5 loads from 19'W to 24'W and 2 loads at 134'L.
207,000 lb dryer drum
Louisville, KY - Richmond, VA in December 2025, at 300,000 lbs gross and 165'L x 13'6"W x 17'H loaded, with a crew of 15.
110,000 lb switchgear building
Houston, TX - Los Angeles, CA in 2025, at 250,000 lbs gross and 185'L x 17'W x 17'H loaded.
Moving something in the Port of Baltimore?
Send the size and weight. We will tell you what the permit, route and escorts look like.
Request a quote →See every move on our Moves page.
Questions
Port of Baltimore heavy haul questions
Can an oversize load use the Baltimore harbor tunnels?
Not the Harbor Tunnel over 8'W or 13'6"H, and not the Fort McHenry Tunnel over 11'W or 14'6"H.
What can Dundalk Marine Terminal handle?
Ro/Ro, autos, breakbulk and project cargo, on 570 acres with 13 berths and direct rail access.
Does a heavy Dundalk load need a Baltimore City permit?
Yes, over 120,000 lbs on I 95 to or from Dundalk Marine Terminal, as well as the state permit.
When can wide loads use the Baltimore Beltway?
Loads 12'W or more run 9 a.m. to 3:30 p.m. on I 695.
Does a tall Maryland load need a route survey?
Yes. At 14'6"H and over, a signed height clearance route survey goes with the permit application, and a front escort runs a height pole.
How heavy a load can you haul?
Our superload service handles loads up to 300,000 lbs, with permits, routing and escorts by our own team.
Hauling through other states? Use our permit map and route planner
Open the route plannerKeep planning
More for your Port of Baltimore move
Other port pages
Port heavy haul
Ready to move it?
Send the load dimensions, weight, pickup and delivery points. Our in house team prices the permits, route and escorts and gets back to you fast.
This page is general information only, not legal advice and not a permit. Rules change often and each state's permit and official rules are the final word. Always confirm limits, escorts, routes and travel times with the state permit office before moving a load. Reliable Transport LLC is not responsible for decisions made using this information.