---
title: "Can i legally tow two trailers in tandem — TowingDad"
canonical: https://towingdad.shop/questions/towing-laws-by-state/can-i-legally-tow-two-trailers-in-tandem/
lang: en
---

# Can i legally tow two trailers in tandem?
By [Nora Whitfield, J.D.](/authors/nora-whitfield/) — Consumer law attorney Last reviewed: 2026-08-17 R3

It depends entirely on the state, and this is one of the few towing questions where the answer really is a hard yes or no. Some states permit doubles — a trailer behind a trailer — with limits on total length and often a special endorsement. Others prohibit them outright for non-commercial drivers. Check every state on your route, not just your own.

- State by statePermitted or prohibited
- Total lengthThe usual limit
- Every state on routeWhat to check

## Short version
- Some states allow doubles for private drivers; others prohibit them entirely.
- Where allowed, a total combined length limit almost always applies.
- Some states require a specific licence endorsement even for non-commercial use.
- Your route matters: legality changes at the state line, mid-trip.

**Towing and impound rules are set by state and often by city.**Rules vary by state and often by city, and they change frequently. Verify with the agency named below before acting.

## Why this one genuinely varies
Doubles are regulated as a highway-safety matter, which is exactly the area federal preemption leaves to the states under 49 U.S.C. § 14501(c)(2)(A). So there is no national rule to appeal to: each state sets whether a private driver may pull two trailers, the maximum combined length, and sometimes whether an endorsement is needed. That is why a setup that is routine in one state can be a citation one border later.

## What to check before the trip
Three things per state on your route: whether doubles are permitted for non-commercial drivers at all; the maximum total combined length, measured from the tow vehicle's front bumper to the rear of the last trailer; and whether any endorsement or permit applies. State DOT and DMV sites publish this, and it is worth screenshotting the page — enforcement conversations go better with the rule in hand.

## The physics do not care about the law
Even where legal, a second trailer amplifies every input. Sway that a single trailer would damp instead builds through the second, and reversing becomes effectively impossible to control. Tongue weight, load distribution and trailer brakes all matter more, not less. If you have not towed doubles before, a car park is a better place to find that out than an interstate on-ramp.

## Common mistakes
- **Checking only your home state** — legality changes at the border, mid-trip, with the rig already loaded.
- **Assuming length limits measure only the trailers** — the limit is usually the whole combination including the tow vehicle.

General information, not legal advice. Towing and impound law varies by state and city and changes frequently. Consult the agency listed or a licensed attorney before acting.

Sources (2)- Cornell Legal Information Institute — [49 U.S.C. § 14501 — Federal authority over intrastate transportation](https://www.law.cornell.edu/uscode/text/49/14501) (accessed 2026-08-17) T1
- SAE International — [J2807 — Performance Requirements for Determining Tow-Vehicle Gross Combination Weight Rating](https://www.sae.org/standards/content/j2807_202002/) (accessed 2026-08-17) T2

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- [Impound](/impound/)
- [Calculators](/calculators/)
- [Glossary](/glossary/)
- [Your rights](/rights/)

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