Is Kingpin Lock Legal in Missouri? (2026)

Key facts

Status

Legal

Permit required

No

Jurisdiction

Missouri

Last reviewed

2026-02-22

Kingpin Lock laws in Missouri

Missouri law does not contain any specific statutes or regulations that prohibit or restrict the use of kingpin locks on trailers. These devices are generally considered security measures aimed at preventing theft of the trailer itself. As long as the device does not obstruct required lighting, conspicuity markings, or the safe operation of the trailer, its use is permissible. There are no state statutes that categorize such devices as weapons, prohibited equipment, or anything that would require special permits or licenses.

Frequently asked questions

Is kingpin lock legal in Missouri for travelers?

For travelers visiting Missouri, kingpin lock is currently legal. Missouri law does not contain any specific statutes or regulations that prohibit or restrict the use of kingpin locks on trailers. These devices are generally considered security measures aimed at preventing theft of the trailer itself. As long as the device does not obstruct required lighting, conspicuity markings, or the safe operation of the trailer, its use is permissible. There are no state statutes that categorize such devices as weapons, prohibited equipment, or anything that would require special permits or licenses.

Do I need a permit for kingpin lock in Missouri?

Missouri does not specifically require a permit for kingpin lock, though general regulations apply.

Can I transport kingpin lock through Missouri?

Transport laws for kingpin lock in Missouri depend on the specific item and your route. Generally, transport is allowed if you comply with state regulations. Always check states you pass through.

What are the penalties for kingpin lock violations in Missouri?

Penalties for kingpin lock violations in Missouri vary based on the specific offense. Always verify current laws before traveling.