delivered the opinion of the Court.
When a police officer makes a traffic stop, the driver of the car is seized within the meaning of the Fourth Amendment. The question in this ease is whether the same is true of a passenger. We hold that a passenger is seized as well and so may challenge the constitutionality of the stop.
*252 I
Early in the morning of November 27, 2001, Deputy Sheriff Robert Brokenbrough and his partner saw a parked Buick with expired registration tags. In his ensuing conversation with the police dispatcher, Brokenbrough learned that an application for renewal of registration was being processed. The officers saw the car again on the road, and this time Brokenbrough noticed its display of a temporary operating permit with the number “11,” indicating it was legal to drive the car through November. App. 115. The officers decided to pull the Buick over to verify that the permit matched the vehicle, even though, as Brokenbrough admitted later, there was nothing unusual about the permit or the way it was affixed. Brokenbrough asked the driver, Karen Simeroth, for her license and saw a passenger in the front seat, petitioner Bruce Brendlin, whom he recognized as “one of the Brendlin brothers.” Id., at 65. He recalled that either Scott or Bruce Brendlin had dropped out of parole supervision and asked Brendlin to identify himself. 1 Brokenbrough returned to his cruiser, called for backup, and verified that Brendlin was a parole violator with an outstanding no-bail warrant for his arrest. While he was in the patrol car, Brokenbrough saw Brendlin briefly open and then close the passenger door of the Buick. Once reinforcements arrived, Brokenbrough went to the passenger side of the Buick, ordered him out of the car at gunpoint, and declared him under' arrest. When the police searched Brendlin incident to arrest, they found an orange syringe cap on his person. A patdown search of Simeroth revealed syringes and a plastic bag of a green leafy substance, and she was also formally arrested. Officers then searched the car and found tubing, a scale, and other things used to produce methamphetamine.
*253
Brendlin was charged with possession and manufacture of methamphetamine, and he moved to suppress the evidence obtained in the searches of his person and the car as fruits of an unconstitutional seizure, arguing that the officers lacked probable cause or reasonable suspicion to make the traffic stop. He did not assert that his Fourth Amendment rights were violated by the search of Simeroth’s vehicle, cf.
Rakas
v.
Illinois,
The California Court of Appeal reversed the denial of the suppression motion, holding that Brendlin was seized by the traffic stop, which the court held unlawful.
We granted certiorari to decide whether a traffic stop subjects a passenger, as well as the driver, to Fourth Amendment seizure,
II
A
A person is seized by the police and thus entitled to challenge the government’s action under the Fourth Amendment when the officer, “‘by means of physical force or show of authority,’” terminates or restrains his freedom of movement,
Florida
v.
Bostick,
*255
When the actions of the police do not show an unambiguous intent to restrain or when an individual’s submission to a show of governmental authority takes the form of passive acquiescence, there needs to be some test for telling when a seizure occurs in response to authority, and when it does not. The test was devised by Justice Stewart in
United States
v.
Mendenhall,
The law is settled that in Fourth Amendment terms a traffic stop entails a seizure of the driver “even though the purpose of the stop is limited and the resulting detention quite brief.”
Delaware
v.
Prouse,
We have come closest to the question here in two eases dealing with unlawful seizure of a passenger, and neither time did we indicate any distinction between driver and passenger that would affect the Fourth Amendment analysis.
Delaware
v.
Prouse
considered grounds for stopping a car on the road and held that Prouse’s suppression motion was properly granted. We spoke of the arresting officer’s testimony that Prouse was in the back seat when the car was pulled over, see
B
The State concedes that the police had no adequate justification to pull the car over, see n. 2,
supra,
but argues that the passenger was not seized and thus cannot claim that the evidence was tainted by an unconstitutional stop. We resolve this question by asking whether a reasonable person
*257
in Brendlin’s position when the car stopped would have believed himself free to “terminate the encounter” between the police and himself.
Bostick,
A traffic stop necessarily curtails the travel a passenger has chosen just as much as it halts the driver, diverting both from the stream of traffic to the side of the road, and the police activity that normally amounts to intrusion on “privacy and personal security” does not normally (and did not here) distinguish between passenger and driver.
United States
v.
Martinez-Fuerte,
*258
It is also reasonable for passengers to expect that a police officer at the scene of a crime, arrest, or investigation will not let people move around in ways that could jeopardize his safety. In
Maryland
v.
Wilson,
Our conclusion comports with the views of all nine Federal Courts of Appeals, and nearly every state court, to have ruled on the question. See
United States
v.
Kimball,
C
The contrary conclusion drawn by the Supreme Court of California, that seizure came only with formal arrest, reflects three premises as to which we respectfully disagree. First, the State Supreme Court reasoned that Brendlin was not seized by the stop because Deputy Sheriff Brokenbrough only intended to investigate Simeroth and did not direct a
*260
show of authority toward Brendlin. The court saw Brokenbrough’s “flashing lights [as] directed at the driver,” and pointed to the lack of record evidence that Brokenbrough “was even aware [Brendlin] was in the car prior to the vehicle stop.”
California defends the State Supreme Court’s ruling on this point by citing our cases holding that seizure requires a purposeful, deliberate act of detention. See Brief for Respondent 9-14. But
Chesternut, supra,
answers that argument. The intent that counts under the Fourth Amendment
*261
is the “intent [that] has been conveyed to the person confronted,”
id.,
at 575, n. 7, and the criterion of willful restriction on freedom of movement is no invitation to look to subjective intent when determining who is seized. Our most recent cases are in accord on this point. In
Lewis,
Second, the Supreme Court of California assumed that Brendlin, “as the passenger, had no ability to submit to the deputy’s show of authority” because only the driver was in control of the moving vehicle.
Third, the State Supreme Court shied away from the rule we apply today for fear that it “would encompass even those motorists following the vehicle subject to the traffic stop who, by virtue of the original detention, are forced to slow down and perhaps even come to a halt in order to accommodate that vehicle’s submission to police authority.”
Id.,
at 1120,
*263
Indeed, the consequence to worry about would not flow from our conclusion, but from the rule that almost all courts have rejected. Holding that the passenger in a private car is not (without more) seized in a traffic stop would invite police officers to stop cars with passengers regardless of probable cause or reasonable suspicion of anything illegal.
7
The fact that evidence uncovered as a result of an arbitrary traffic stop would still be admissible against any passengers would be a powerful incentive to run the kind of “roving patrols” that would still violate the driver’s Fourth Amendment right. See,
e.g., Almeida-Sanchez
v.
United States,
* * *
Brendlin was seized from the moment Simeroth’s car came to a halt on the side of the road, and it was error to deny his suppression motion on the ground that seizure occurred only at the formal arrest. It will be for the state courts to consider in the first instance whether suppression turns on any other issue. The judgment of the Supreme Court of California is vacated, and the case is remanded for further proceedings not inconsistent with this opinion.
It is so ordered.
Notes
The parties dispute the accuracy of the transcript of the suppression hearing and disagree as to whether Brendlin gave his name or the false name “Bruce Brown.” App. 115.
California conceded that the police officers lacked reasonable suspicion to justify the traffic stop because a ‘“vehicle with an application for renewal of expired registration would be expected to have a temporary operating permit.’”
Of course, police may also stop a car solely to investigate a passenger’s conduct. See, e.
g., United States
v.
Rodriguez-Diaz,
Although the State Supreme Court inferred from Brendlin’s decision to open and close the passenger door during the traffic stop that he was “awar[e] of the available options,”
Only two State Supreme Courts, other than California’s, have stood against this tide of authority. See
People
v.
Jackson,
California claims that, under today’s rule, “all taxi cab and bus passengers would be ‘seized’ under the Fourth Amendment when the cab or bus driver is pulled over by the police for running a red light.” Brief for Respondent 23. But the relationship between driver and passenger is not the same in a common carrier as it is in a private vehicle, and the expectations of police officers and passengers differ accordingly. In those cases, as here, the crucial question would be whether a reasonable person' in the passenger’s position would feel free to take steps to terminate the encounter.
Compare
Delaware
v.
Prouse,
