By Malcolm Lee Kitchen III | MK3 Law Group
(c) 2026 – All rights reserved.

The Constitutional Foundation of the Right to Travel

The right to travel freely is not a privilege granted by government. It is a fundamental right that predates the Constitution itself, recognized across centuries of American jurisprudence and embedded in the legal architecture of the republic. The case law compiled here represents a consistent, durable legal position: citizens have a protected right to move freely upon public highways, to use their vehicles for ordinary transportation, and to do so without being treated as criminals seeking permission from the state.

This analysis draws from a substantial body of case law spanning state and federal courts. The citations represent real judicial decisions that have shaped how courts understand the relationship between individual liberty and government authority over public roads. Understanding this body of law is not an academic exercise. It is a civic responsibility for anyone who intends to understand the actual scope of their rights.

The foundation is not complicated. Government does not create rights. Government acknowledges them. That distinction carries enormous practical weight when examining every licensing scheme, registration requirement, and enforcement action applied to people traveling on public roads.


The Right to Travel as a Pre-Constitutional Principle

Before examining the case law, it is important to establish where this right originates. The right to travel freely from state to state appeared in the Articles of Confederation, the document that governed the American republic before the Constitution was ratified. As the Supreme Court noted in Paul v. Virginia, this right is so fundamental that it was explicitly recognized before the current constitutional framework was established.

The Articles of Confederation provided that the free inhabitants of each state shall be entitled to all privileges and immunities of free citizens in the several states, and shall have free ingress and regress to and from any other state. This was not an afterthought. It was a foundational principle of what it meant to be a citizen of a free republic. The Constitution inherited this principle and extended its protections through the Due Process and Privileges and Immunities Clauses.

The Supreme Court addressed this directly in Shapiro v. Thompson, 394 U.S. 618 (1969), stating that the right to travel freely from state to state is a right broadly assertable against private interference as well as governmental action. The Court described it as a virtually unconditional personal right, guaranteed by the Constitution to us all. The word “unconditional” is significant. It does not mean subject to administrative convenience. It does not mean conditional upon purchasing a license. It means what it says.

Chief Judge Edgerton, addressing the same principle, was direct: iron curtains have no place in a free world. He cited Williams v. Fears, 179 U.S. 270 (1901), for the proposition that the right of locomotion, the right to remove from one place to another according to inclination, is an attribute of personal liberty. The right of free transit through the territory of any state is a right secured by the Constitution.

The Supreme Court in Kent v. Dulles reinforced this framework: outside areas of plainly harmful conduct, every American is left to shape his own life as he thinks best, do what he pleases, go where he pleases. This is the operating presumption of constitutional liberty. Government encroachment on that liberty requires justification. The burden runs in one direction only, and it does not run against the citizen.


Public Highways as Open Infrastructure for All Citizens

A highway is a public way, open and free to anyone who has occasion to pass along it on foot or with any kind of vehicle. That definition comes from Schlesinger v. City of Atlanta, 129 S.E. 861 (1925), citing consistent authority from multiple jurisdictions. The legal character of a highway is that it belongs to the public. Not to the government agency that maintains it. Not to law enforcement that patrols it. To the public.

This foundational understanding produces a clear legal consequence: citizens have an equal right to use public highways. Not a conditional right. Not a privilege subject to revocation. An equal right.

The cases on this point are numerous and consistent. In Liebrecht v. Crandall, 126 N.W. 69 (Minn. 1910), the court stated plainly that there can be no question of the right of automobile owners to occupy and use the public streets of cities or highways in the rural districts. Campbell v. Walker, 78 Atl. 601, articulated the equal right principle: a traveler has an equal right to employ an automobile as a means of transportation and to occupy the public highways with other vehicles in common use.

Indiana Springs Co. v. Brown, 165 Ind. 465, addressed the relative rights of different road users directly. The court held that automobiles have an equal right with other vehicles in common use to occupy the streets and roads. The court specifically rejected any hierarchy that would place horse-drawn vehicle users above automobile users: it is improper to say that the driver of the horse has rights in the roads superior to the driver of the automobile. Both have the right to use the easement.

House v. Cramer, 112 N.W. 3 (Iowa), confirmed that the right to make use of an automobile as a vehicle of travel along the highways of the state is no longer an open question. Automobile owners have the same rights in the roads and streets as the drivers of horses or those riding a bicycle.

Escobedo v. State, 35 C.2d 870, stated the principle in its most direct form: highways are for the use of the traveling public, and all have the right to use them in a reasonable and proper manner. The use thereof is an inalienable right of every citizen. Inalienable. This is not the language of privilege. This is the language of constitutional protection.


The Distinction Between a Right and a Privilege

The most consequential legal distinction in this entire body of law is the one between a right and a privilege. It is the distinction that determines whether the government must justify its restrictions or whether citizens must justify their freedom.

Bouvier’s Law Dictionary, 1914, at page 2961, sets this out clearly: a constitutional right means a right protected by the law and the constitution, but government does not create the idea of right or original rights. It acknowledges them. This is the controlling principle. Rights exist prior to government. Government does not issue them. It cannot revoke what it did not grant.

From that principle flows a direct consequence for licensing. City of Chicago v. Collins, 51 N.E. 907, 910, stated that those who have the right to do something cannot be licensed for what they already have the right to do, as such a license would be meaningless. A license, by legal definition, is leave to do a thing which the licensor could prevent. Blatz Brewing Co. v. Collins, 160 P.2d 37. The object of a license is to confer a right or power that does not exist without it. Payne v. Massey, 196 S.W. 2d 493.

If a citizen already has a constitutional right to travel on public highways, then requiring a license to exercise that right is legally incoherent. The license purports to grant what the citizen already possesses. What the government actually accomplishes through licensing in this context is to convert a right into a supervised privilege. That conversion requires constitutional justification. The cases examined here suggest that courts have frequently acknowledged the right while simultaneously allowing states to impose regulatory conditions, creating a tension that remains unresolved in practice.

Wingfield v. Fielder, 2d Ca. 3d 213 (1972), drew the relevant line. The court held that a license relates to qualifications to engage in a profession, business, trade, or calling. When a person is merely traveling without compensation or profit, outside of a business enterprise, no license is required of the natural individual traveling for personal business, pleasure, and transportation. The licensing framework, properly understood, applies to commercial activity. It does not apply to the ordinary traveler moving from one place to another for personal purposes.


Automobiles as Instruments of Liberty, Not Commercial Vehicles

The legal treatment of automobiles under this body of case law requires understanding a distinction that courts have drawn carefully: the difference between a privately owned vehicle used for personal travel and a motor vehicle used for commercial purposes.

The federal definition is instructive. Under 18 U.S.C. Part 1, Chapter 2, Section 31, a motor vehicle means every description of carriage or other contrivance propelled or drawn by mechanical power and used for commercial purposes on the highways. The statute defines commercial purposes as the carriage of persons or property for any fare, fee, rate, charge, or other consideration, or in connection with any business or undertaking intended for profit.

This statutory language matters. The commercial definition does not encompass a private citizen driving to work, visiting family, or traveling for personal reasons. International Motor Transit Co. v. Seattle, 251 P. 120, confirmed that a motor vehicle or automobile for hire is used for the transportation of persons for which remuneration is received. The key element is remuneration. Absent that element, the commercial character of the vehicle is absent as well.

Ex Parte Hoffert, 148 N.W. 20, addressed the classification principle directly: self-driven vehicles are classified according to the use to which they are put rather than according to the means by which they are propelled. The same physical vehicle can be a commercial motor vehicle or a private conveyance depending entirely on how it is being used at a given moment. This is not a technicality. It is the operational distinction between regulated commercial activity and constitutionally protected personal travel.

Hillhouse v. United States, 152 F. 163 (2d Cir. 1907), noted that the Supreme Court in Arthur v. Morgan, 112 U.S. 495, had classified carriages as household effects. The court saw no reason that automobiles should not be treated similarly. A soldier’s personal automobile is part of his household goods. U.S. v. Bomar, 8 F.3d 226 (5th Cir. 1993).

Berberian v. Lussier, 139 A.2d 869 (1958), addressed the modern reality of automobile dependency. The court recognized that the use of the automobile as a necessary adjunct to earning a livelihood in modern life requires, in the interest of realism, a conclusion that the right to use an automobile on the public highways partakes of the nature of a liberty within the meaning of constitutional guarantees. Adams v. City of Pocatello, 416 P.2d 46 (Idaho 1966), stated the conclusion plainly: the right to operate a motor vehicle upon the public streets and highways is not a mere privilege. It is a right of liberty, the enjoyment of which is protected by the guarantees of federal and state constitutions.


Thompson v. Smith and the Core Holding

The most frequently cited authority in this area is Thompson v. Smith, 154 S.E. 579, which has been referenced across multiple jurisdictions for nearly a century. The holding articulates the right with precision that subsequent courts have found difficult to improve upon.

The right of a citizen to travel upon the public highways and to transport his property thereon, by horse-drawn carriage, wagon, or automobile, is not a mere privilege which may be permitted or prohibited at will, but a common right which he has under his right to life, liberty, and the pursuit of happiness. Under this constitutional guarantee, one may therefore, under normal conditions, travel at his inclination along the public highways or in public places, and while conducting himself in an orderly and decent manner, neither interfering with nor disturbing another’s rights, he will be protected not only in his person but in his safe conduct.

The phrase “not a mere privilege which may be permitted or prohibited at will” is the operative language. Government does not hold discretionary authority to allow or prohibit travel based on administrative preference, revenue considerations, or regulatory convenience. The right exists independently of any government permission structure. Government can regulate the manner of exercise. It cannot eliminate the right itself.

Teche Lines v. Danforth, 12 S.2d 784, extended the holding: the right of the citizen to travel upon the public highways and to transport his property thereon, in the ordinary course of life and business, is a common right under the right to enjoy life and liberty, to acquire and possess property, and to pursue happiness and safety. It includes the right to use the ordinary and usual conveyances of the day.

People v. Nothaus, 147 Colo. 210, captured the scope of the right: every citizen has an unalienable right to make use of the public highways of the state. Every citizen has full freedom to travel from place to place in the enjoyment of life and liberty. Ex Parte Dickey, 85 S.E. 781, characterized the right to travel as the usual and ordinary right of the citizen, a right common to all.

Chicago Motor Coach v. Chicago, 169 N.E. 22, and a line of cases following it, held that the use of the highways for the purpose of travel and transportation is not a mere privilege but a common and fundamental right of which the public and the individual cannot be rightfully deprived.


Police Authority and Constitutional Limits

The right to travel without police interference, absent actual criminal conduct, has been recognized as a fundamental constitutional right in multiple jurisdictions. White v. City (97 Cal. App. 3d 141) established that the right of the citizen to drive on a public street with freedom from police interference is a fundamental constitutional right. People v. Horton, 14 Cal. App. 3d 667 (1971), reinforced this: the right of the citizen to drive on the public street with freedom from police interference, unless engaged in suspicious conduct associated in some manner with criminality, is a fundamental constitutional right which must be protected by the courts.

Caneisha Mills v. D.C. (2009) extended the principle to the District of Columbia, confirming that citizens have a right to drive upon the public streets of the District of Columbia or any other city absent a constitutionally sound reason for limiting their access. The phrase “constitutionally sound reason” sets the standard. Not bureaucratic convenience. Not administrative preference. A constitutionally sound reason.

Justice White, in Hiibel v. Sixth Judicial District Court, addressed the limits of police authority during investigatory stops. A person detained for an investigatory stop can be questioned but is not obliged to answer. Answers may not be compelled, and refusal to answer furnishes no basis for an arrest. This holding operates as a direct constraint on law enforcement authority during encounters arising from routine travel.

The constitutional principle underlying all of these holdings was stated clearly in Donnolly v. Union Sewer Pipe Co., 184 U.S. 540: a right secured or protected by the U.S. Constitution cannot be overthrown or impaired by any state police authority. State regulatory power, however broad, does not reach to the elimination of federally protected rights. The hierarchy is clear. Constitutional protection sits above state administrative authority.

No state government entity has the power to allow or deny passage on the highways, byways, or waterways for a citizen transporting his vehicles and personal property for either recreation or business. Travel is not a privilege requiring licensing, vehicle registration, or forced insurances. Chicago Coach Co. v. City of Chicago, 337 Ill. 200. Local regulation directed at safety, traffic management, and road conditions operates within a different legal category from restrictions that purport to condition the right to travel itself.


Unconstitutional Licensing and the Right to Ignore Void Laws

The Supreme Court addressed the intersection of unconstitutional licensing requirements and citizen conduct in Shuttlesworth v. Birmingham, 394 U.S. 147 (1969). The holding is direct: persons faced with an unconstitutional licensing law which purports to require a license as a prerequisite to exercise of a right may ignore the law and engage with impunity in the exercise of such right.

The same case produced a second holding of equal significance: if state officials construe a vague statute unconstitutionally, the citizen may take them at their word and act on the assumption that the statute is void.

These holdings place the burden where the Constitution requires it to sit. When government advances an unconstitutional restriction on a fundamental right, the obligation does not fall on the citizen to seek permission, file a challenge, or wait for judicial resolution before exercising the right. The right exists. The unconstitutional restriction does not eliminate it.

Swift v. City of Topeka, 43 Kan. 671, established that each citizen has the absolute right to choose for himself the mode of conveyance he desires, whether by wagon or carriage, by horse, motor or electric car, or by bicycle, or astride of a horse, subject to the sole condition that he observe the requirements known as the law of the road. The law of the road addresses manner and safety. It does not condition the underlying right to travel upon obtaining state permission.

California’s Statutes at Large, Chapter 412, defined the word operator in a way that explicitly excludes private travelers: the word operator shall not include any person who solely transports his own property and who transports no persons or property for hire or compensation. The operator classification, which triggers the full weight of commercial vehicle regulation, does not reach the private citizen engaged in ordinary personal travel.

The administrative regulation distinction also matters here. The Supreme Court held in U.S. v. Mersky, 361 U.S. 431 (1960), that an administrative regulation is not a statute. Regulatory frameworks built on administrative authority do not carry the same constitutional weight as legislative enactments, and neither legislative enactments nor administrative regulations can lawfully override constitutional protections.


The Practical Consequences of This Legal Framework

The body of case law compiled here produces several practical conclusions that are supported consistently across jurisdictions and time periods.

First, the right to travel upon public highways is constitutionally protected and predates the Constitution itself. It cannot be eliminated by state regulation, administrative policy, or enforcement practice.

Second, this right includes the right to use ordinary conveyances, including automobiles, for personal travel without commercial purpose. The vehicle used for ordinary personal transportation is not a commercial motor vehicle under the controlling legal definitions.

Third, licensing requirements, as a legal matter, apply to commercial activity and to those engaged in professions, trades, or business operations on public roads. The natural person traveling for personal purposes occupies a different legal category from the commercial operator.

Fourth, police authority to interfere with travel is limited by constitutional requirements. Absent conduct associated with criminality, interference with a citizen’s travel is not supported by the case law. A citizen detained during travel is not obligated to answer questions, and refusal to answer cannot form the legal basis for an arrest.

Fifth, state police authority cannot override federally protected constitutional rights. Where a state regulatory scheme purports to condition the exercise of a constitutional right upon obtaining state permission, the constitutional right controls.

Sixth, an unconstitutional licensing requirement does not become constitutional through enforcement. Citizens confronted with unconstitutional restrictions may, under Shuttlesworth, exercise their rights without obtaining the unlawful permission.

The validity of restrictions on the freedom of movement of particular individuals, both substantively and procedurally, is precisely the sort of matter that is the peculiar domain of the courts. Comment, 61 Yale L.J. 187. Courts exist, in part, to apply these protections. The body of law examined here represents decades of judicial recognition that the right to travel is real, constitutional, and not subject to elimination through administrative convenience.


Conclusion

The legal record on freedom of movement is not ambiguous. It is not a fringe interpretation advanced by outliers. It is a consistent body of state and federal case law, spanning more than a century, that establishes a clear principle: the right to travel freely upon public highways is a fundamental constitutional right, not a privilege granted by government and subject to revocation at will.

Government authority over public roads is real. Safety regulations, traffic controls, speed limits, and road use management represent legitimate exercises of state power. None of those functions require transforming a constitutional right into a licensed privilege. The distinction between regulating the manner of travel and conditioning the right to travel itself is the line that this body of law has drawn repeatedly and consistently.

The right exists. Government acknowledged it. The case law documents it.

What a citizen does with that knowledge is a matter of individual judgment. The law, at least as recorded in the decisions examined here, is clear about where the right stands.

© 2026 – MK3 Law Group
For republication or citation, please credit this article with link attribution to marginofthelaw.com/.