Source: s3://data.kl3m.ai/documents/govinfo/USCOURTS/USCOURTS-ca5-15-20117/USCOURTS-ca5-15-20117-0/pdf.json

Nature of Suit Code: 440
Nature of Suit: Other Civil Rights
Cause of Action: 

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IN THE UNITED STATES COURT OF APPEALS

FOR THE FIFTH CIRCUIT

No. 15-20117

HOUSTON PROFESSIONAL TOWING ASSOCIATION, 

 Plaintiff–Appellant,

versus

CITY OF HOUSTON, 

 Defendant–Appellee.

Appeals from the United States District Court 

for the Southern District of Texas

Before JONES and SMITH, Circuit Judges, and FITZWATER, District Judge.*

JERRY E. SMITH, Circuit Judge:

Houston Professional Towing Association (“HPTA”) brings its third lawsuit challenging SafeClear, the freeway towing program run by the City of 

Houston based on amendments to the program made in 2009 and 2011. HPTA 

contends that the program is preempted by 49 U.S.C. § 14501 and violates its

 

* District Judge of the Northern District of Texas, sitting by designation.

United States Court of Appeals

Fifth Circuit

FILED

February 3, 2016

Lyle W. Cayce

Clerk

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commercial-speech rights. HPTA appeals an adverse summary judgment.

Finding both of its contentions barred by res judicata, we affirm. 

I.

In 2004, the city enacted Ordinance No. 2004-497, which created a freeway towing program known as SafeClear to address congestion and safety 

issues. The city contracted with eleven towing companies to patrol various

freeways around the clock and to remove wrecked and disabled vehicles. In 

2005, HPTA, which represents tow operators in the Houston area (none of 

which was awarded a SafeClear contract), sued in federal court. Among other 

claims, HPTA argued that the ordinance was barred by the 49 U.S.C. § 14501, 

which preempts state laws “related to a price, route, or service of any motor 

carrier.” Id. at § 14501(c)(1). The district court concluded that the portions of 

the ordinance that regulated consent tows (tows requested by the owner) and 

prohibited “qualified tow operators from operating on major freeways” were 

preempted. Hous. Prof’l Towing Ass’n v. City of Hous., No. CIV. A. H-05-0323, 

2005 WL 2121552, at *12 (S.D. Tex. Aug. 31, 2005) (“SafeClear I”). 

The city amended the ordinance to bring it into compliance. In 2006, 

HPTA filed a second suit (this time in state court), challenging the amended 

ordinance and again arguing that it was preempted by 49 U.S.C. § 14501.

HPTA also averred that the ordinance infringed on its commercial speech. The 

city removed to federal court, and the district court entered summary judgment, holding that the ordinance was not preempted by § 14501. Hous. Prof’l 

Towing Ass’n v. City of Hous., No. CIV. A. H-06-1174, 2008 WL 1782278, at *1–

3, *6 (S.D. Tex. Apr. 16, 2008) (“SafeClear II”). The court specifically noted the 

safety and non-consent exceptions to the statute, which allow states to regulate 

for safety purposes as well as to regulate tows conducted without the owner’s 

consent. See id. at *2; 49 U.S.C. § 14501(c)(2)(A), (C). The court also rejected 

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the commercial-speech claims. SafeClear II, 2008 WL 1782278, at *5. 

In 2009, by Ordinance No. 2009-1347, the City made a minor amendment 

to SafeClear, which clarified that tow operators were not allowed to solicit business at the scene of an accident until the police had departed. Previously, the

city code stated that tow operators could not solicit business at an accident 

scene until the police had completed their investigation or authorized solicitation. See Houston Code of Ordinances § 8-128.

In May 2011, the city again amended the SafeClear program1 by Ordinance No. 2011-324, which required vehicle owners to pay for the SafeClear 

tows of vehicles stalled on the shoulder; previously the city had paid for those

tows. An agreement with SafeClear operators set the rate at $50. Notably,

before the 2011 amendments, SafeClear already had required the owners of 

vehicles that were blocking traffic lanes to pay for towing, and tow operators 

are allowed to charge up to $160. If the owner cannot pay for towing a stalled 

vehicle from the shoulder, the tow operator is required to tow the vehicle to a 

licensed storage facility that is lighted and manned on a twenty-four-hour 

basis. The owner cannot be charged storage fees for the first forty-eight hours.

See Houston Code of Ordinances § 8-127(5). The preamble to Ordinance 

No. 2011-324 noted that the SafeClear program “expeditiously clear[s] stalled 

and wrecked vehicles from Houston’s freeways” and explained that the “elimination of free towing and minor roadside assistance to citizens would alleviate 

the City’s financial obligations.” 

In November 2011, HPTA filed this third suit, in state court, again 

alleging that amendments to SafeClear are preempted by 49 U.S.C. § 14501, 

 

1 There have been minor later amendments to the SafeClear program, but they are 

not at issue in this suit. 

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infringe on its members’ commercial speech, and constitute a regulatory taking.2 The City again removed to federal court and maintained that the suit 

was barred by res judicata. The district court denied the city’s motion to dismiss, determining that the city had not met its burden of proof with respect to 

res judicata nor defeated the claim of preemption. After additional briefing,

the court granted the city’s motion for summary judgment, deciding that the 

SafeClear amendments were not a substantive change to the program that 

could form the basis for a new claim of federal preemption, so res judicata 

applied. HPTA appeals.

II.

A.

“Under res judicata, a final judgment on the merits of an action precludes the parties or their privies from relitigating issues that were or could 

have been raised in that action.” Allen v. McCurry, 449 U.S. 90, 94 (1980).

“[R]es judicata encompasses two separate but linked preclusive doctrines: 

(1) true res judicata or claim preclusion and (2) collateral estoppel or issue preclusion.” Comer v. Murphy Oil USA, Inc., 718 F.3d 460, 466–67 (5th Cir. 2013)

(quoting Test Masters Educ. Servs., Inc. v. Singh, 428 F.3d 559, 571 (5th Cir. 

2005)). True res judicata “bars the litigation of claims that either have been 

litigated or should have been raised in an earlier suit,” Test Masters, 428 F.3d

at 571, while collateral estoppel “precludes relitigation of only those issues 

actually litigated in the original action, whether or not the second suit is based 

on the same cause of action,” Moch v. E. Baton Rouge Par. Sch. Bd., 548 F.2d 

594, 596 (5th Cir. 1977); see also Allen, 449 U.S. at 94. The city claims that the 

 

2 HPTA does not address the regulatory-takings claim in its brief. Failure adequately 

to brief an issue on appeal is waiver. FED. R. APP. P. 28(a)(8)(A); United States v. Beaumont, 

972 F.2d 553, 563 (5th Cir. 1992).

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suit is barred by res judicata.3

1.

“Res judicata ‘has four elements: (1) the parties are identical or in privity; 

(2) the judgment in the prior action was rendered by a court of competent 

jurisdiction; (3) the prior action was concluded by a final judgment on the 

merits; and (4) the same claim or cause of action was involved in both actions.’”

Comer, 718 F.3d at 467 (quoting Test Masters, 428 F.3d at 571). HPTA does 

not contest the application of the first three elements; the dispute centers on 

whether “the same claim or cause of action” exists here and in SafeClear II. 

We apply a transactional test to determine “whether two suits involve 

the same claim or cause of action.”4 The transactional test focuses on whether 

the two cases “are based on ‘the same nucleus of operative facts.’”5 It is the 

“nucleus of operative facts, rather than the type of relief requested, substantive 

theories advanced, or types of rights asserted” that defines the claim.6 Indeed, 

[w]hat factual grouping constitutes a “transaction”, and what groupings 

constitute a “series”, are to be determined pragmatically, giving weight 

to such considerations as whether the facts are related in time, space, 

origin, or motivation, whether they form a convenient trial unit, and 

whether their treatment as a unit conforms to the parties’ expectations 

or business understanding or usage.

Petro-Hunt, L.L.C. v. United States, 365 F.3d 385, 396 (5th Cir. 2004) (quoting 

RESTATEMENT (SECOND) OF JUDGMENTS § 24(2)). 

 

3 Nevertheless, the city cites both res judicata and collateral estoppel cases in its brief. 

4 United States v. Davenport, 484 F.3d 321, 326 (5th Cir. 2007); see also RESTATEMENT 

(SECOND) OF JUDGMENTS § 24(2) (1982) (outlining the transactional test).

5 Davenport, 484 F.3d at 326 (quoting In re Southmark Corp., 163 F.3d 925, 934 (5th 

Cir. 1999)).

6 Id.

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B.

HPTA contends that both the language of the ordinance and the “factual 

predicate” underlying the program have changed. Because of this, HPTA contends that there is a differing claim or cause of action. The SafeClear program 

has been amended since the last suit, and one might conceive of those amendments as a change in the “operative facts” or, alternatively, as a change in law. 

Indeed, in addition to discussing the transactional test, see Test Masters,

428 F.3d at 571, HPTA cites cases in which we have found that a “change in 

law” defeats the application of res judicata.7

Whether HPTA conceives of both the change-in-law and the change-infacts arguments as fitting under the fourth prong of the res judicata test, or 

whether HPTA views them as two separate bases for rejecting res judicata is 

uncertain. Our precedent is less than certain.8 Indeed, in Moch, 548 F.2d 

at 598, we noted the difficulty in untangling whether a change in the governing 

law should be conceived of as more factual or legal, but we declined to shed 

light on the question.9 Additionally, the scope and overall applicability of the 

change-in-law doctrine is unresolved.10 Nevertheless, we need not decide

 

7 See Jackson v. DeSoto Par. Sch. Bd., 585 F.2d 726, 729 (5th Cir. 1978); Moch, 

548 F.2d at 597.

8 Compare Jackson, 585 F.2d at 729 (discussing change in law and change in facts 

together and implying that they are the same exception or at least related) with Kirksey v. 

City of Jackson, 714 F.2d 42, 44 (5th Cir. 1983) (discussing the change-in-law exception 

without mentioning changes in fact).

9 See Moch, 548 F.2d at 598 (observing that a “supervening change in the caselaw 

[could] render[] a subsequent claim a different cause of action” or could be “an altered 

circumstance”).

10 We have discussed a change-in-law exception that would defeat res judicata. See 

Wilson v. Lynaugh, 878 F.2d 846, 850–51 & n.13 (5th Cir. 1989); Kirksey, 714 F.2d at 44; 

Jackson, 585 F.2d at 729; Moch, 548 F.2d at 597; Parnell v. Rapides Par. Sch. Bd., 563 F.2d 

180, 185 (5th Cir. 1977). The Supreme Court has provided limited support for this exception. 

See State Farm Mut. Auto. Ins. Co. v. Duel, 324 U.S. 154, 162 (1945) (observing that “res

judicata is no defense where between the time of the first judgment and the second there has 

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whether the change-in-law exception continues to have force or whether that

exception and the differing-claim exception are one and the same, because, for 

purposes of our limited discussion, the inquiries are remarkably similar. 

At least in this case, where, in both the past and present suit, the plaintiff is challenging the ordinance itself, the relevant facts for determining 

whether the same claim or cause of action exists and whether a change-in-law 

exception applies are identical—the language of the ordinance.11 The standards are also similar. Where we have applied the change-of-law exception, 

we have required the change to be “significant.”12 Likewise, we have required 

factual changes to be “significant.” Wilson, 878 F.2d at 851; Jackson, 585 F.2d

at 729. Thus, the critical question is not whether any facts or law have changed 

between SafeClear II and this suit, but whether there have been any 

 

been an intervening decision or a change in the law creating an altered situation”). 

Nevertheless, in other decisions we have been more skeptical. See Baylor v. U.S. Dep’t of 

Hous. & Urban Dev., 913 F.2d 223, 225 (5th Cir. 1990); Nilsen v. City of Moss Point, 701 F.2d 

556, 563–64 (5th Cir. 1983). The Supreme Court has also declined to endorse a change-inlaw exception, at least where the change in law is judge-made. See Federated Dep’t Stores, 

Inc. v. Moitie, 452 U.S. 394, 398–99 (1981). 

Even where we have upheld a change in law, we have noted the exception’s limited 

applicability. See Moch, 548 F.2d at 596–97 (“Generally, a postjudgment change of circumstances, either factual or legal, does not alter that judgment’s effect as a bar to later actions 

based on the same cause of action.”); Wilson, 878 F.2d at 850 (collecting cases). The changein-law exception may be confined to cases of “overriding public policy” or “manifest injustice.” 

Moch, 548 F.2d at 597. Likewise, the doctrine may be limited to constitutional claims. See 

Jackson, 585 F.2d at 729; 18 JAMES WM. MOORE ET AL., MOORE’S FEDERAL PRACTICE

§ 131.21[2] (3d ed. 2015); 18 CHARLES ALAN WRIGHT, ARTHUR R. MILLER & EDWARD H.

COOPER, FEDERAL PRACTICE AND PROCEDURE § 4415 (2d ed. 2002). 

11 Contrast this with the situation where the plaintiff was not challenging the law 

itself in the original suit, but the application of the law to facts (for example, whether the 

plaintiff was negligent). In such a scenario, a change in the governing law (the standard for 

negligence) would be different from a change in the underlying facts (a new instance of purportedly negligent behavior), and the two inquiries would be quite different. 

12 Kirksey, 714 F.2d at 44–45 (explaining that “plaintiffs can retry their claims in light 

of any significant changes in statutory or decisional law”); see also Parnell, 563 F.2d at 185 

(discussing the significant change in law that defeated res judicata).

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significant changes—whether the factual and legal basis undergirding HPTA’s 

claim of preemption has changed.13

C.

Title 49 U.S.C. § 14501(c)(1) prohibits any state (or its political subdivision) from “enact[ing] or enforc[ing] a law, regulation, or other provision having 

the force and effect of law related to a price, route, or service of any motor 

carrier . . . with respect to the transportation of property.” Nevertheless, the 

statute does “not restrict the safety regulatory authority of a State with respect 

to motor vehicles.”14 “Local regulation of prices, routes, or services of tow 

trucks” must be “genuinely responsive to safety concerns” to escape preemption 

under § 14501(c)(1).15 Thus, to establish preemption, HPTA must 

demonstrate that the SafeClear program (in whole or part) is not genuinely 

responsive to safety concerns.

To determine whether the safety exception under § 14501(c)(2)(A) 

applies, we have looked to statements of intent on the face of the ordinance,

demonstrating that it was designed to promote safety, as well as to evidence 

that there was a “nexus between th[e] ordinance and public safety.” VRC LLC 

v. City of Dall., 460 F.3d 607, 614–15 (5th Cir. 2006) (citing Loyal Tire & Auto 

Ctr., Inc. v. Town of Woodbury, 445 F.3d 136, 145 (2d Cir. 2006)). We have also 

noted the economic burden on those regulated by the ordinance. Id.

 

13 Given the uncertainty surrounding the change-of-law exception, and because the 

change-of-law and same-claim-or-cause-of-action inquiries are analogous here, we confine 

ourselves to the language of the same-claim-or-cause-of-action analysis. Even if we were to 

apply the change-of-law exception, the amendments to SafeClear were not significant, as we 

discuss, so they would not bar the application of res judicata. 

14 49 U.S.C. § 14501(c)(2)(A). Likewise, municipalities are permitted to regulate for 

purposes of safety. See City of Columbus v. Ours Garage & Wrecker Serv., Inc., 536 U.S. 424, 

429 (2002). 15 City of Columbus, 536 U.S. at 442.

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1.

Thus, the facts relevant for purposes of preemption relate to (1) whether 

the ordinance evinced a safety purpose and (2) whether it promotes safety. It 

is difficult to see how changing who pays for the tows of stalled vehicles affects 

either of these issues. In regard to purpose, the ordinance is clear; in its preamble to the 2005 amendments (which significantly revised the program in the 

wake of SafeClear I) the City explained,

[T]he volume and the speed of traffic on the City’s freeways together 

with the proven safety dangers associated with wrecked or stalled vehicles on freeways necessitates the City’s institution of a program to effect 

the prompt removal of wrecked or stalled vehicles from freeways in 

order to protect the lives and the property of motorists on those 

roadways . . . . 

Houston Ordinance No. 2005-271. The preamble also contains a number of 

clauses discussing the safety motivations for the SafeClear program. There is 

no doubt that safety is the justification for SafeClear. 

Instead, HPTA points to the preamble to Ordinance No. 2011-324 and

maintains that we should look at the stated reasons for the 2011 amendments,

which form the basis for this suit. This preamble notes the fiscal motivations 

for passing on the cost of towing to vehicle owners, explaining that “elimination 

of free towing and minor roadside assistance to citizens would alleviate the 

City’s financial obligations by reducing its annual contribution to SafeClear.” 

Houston Ordinance No. 2011-324. Nevertheless, the preamble also notes the 

safety-related benefits of SafeClear (the program “assists citizens and improves mobility by expeditiously clearing stalled wrecked vehicles form Houston’s freeways”). Id. 

HPTA’s argument based on the preamble is unpersuasive. To determine 

whether the ordinance is preempted, we must look to the stated intent for the 

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SafeClear program as a whole. To hold otherwise would mean that if a government program is modified to cut costs, it is impossible for it to fulfill its original 

purpose. Before the 2011 amendments, SafeClear already required vehicle 

owners who were blocking traffic lanes to pay for the costs of towing, and that

provision is not challenged in the current suit. Thus, finding the 2011 amendments preempted because they were designed to save the city money would 

create the bizarre result that one SafeClear provision requiring vehicle owners 

to pay for towing would be preempted and one would not, based on the accident 

of its passage. 

Alternatively, finding Ordinance No. 2011-324 preempted would suggest 

that if a safety regulation passes on costs to citizens, it is preempted. But we 

have explicitly rejected that position. See VRC, 460 F.3d at 615 (opposing the 

notion that because a safety ordinance created a compliance cost for propertyowners, it must be preempted). 

Although the goal of the 2011 amendments may have been to cut costs 

(and to make SafeClear fiscally sustainable over the long term), there is no 

doubt that the continuing purpose of the program is to promote safety by expeditiously clearing stalled and wrecked vehicles. Thus, for purposes of intent, 

the relevant language is found in the preamble to Ordinance No. 2005-271, 

which outlines the purpose behind the entire SafeClear program, not just the 

motivation for specific amendments. Therefore, the overall purpose of SafeClear (and thus the relevant “facts”) remains the same between SafeClear II

and this litigation. 

2.

HPTA also posits that the on-the-ground facts regarding whether SafeClear actually promotes safety have changed. HPTA points to expert testimony that the number of SafeClear tows has decreased since the adoption of 

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the $50 vehicle owner fee. HPTA contends that that fact demonstrates that 

SafeClear operators are shirking their duties to respond to tow vehicles that 

are stalled in the shoulder, opting instead to tow vehicles from collisions at the 

higher cost of $160. Thus, according to HPTA, requiring the owners of stalled 

vehicles to pay $50 fees undermines safety. 

Yet, HPTA’s claim is pure speculation. The city provided expert testimony that in 2013, almost 98% of all SafeClear tows were responded to within 

six minutes, undermining HPTA’s charge of shirking. The city’s expert, 

Dr. Stein, posited that one explanation for the decline in SafeClear tows may 

be that, since the adoption of the $50 towing fee, vehicle owners are opting to 

call their own tow trucks rather than waiting for police to do so. If this explanation is correct, HPTA members have little to complain about, because the $50 

fee makes it more likely that a stranded motorist will call an HPTA operator 

to tow the vehicle to safety.16

Although the city’s expert noted that the total number of collisions on 

Houston’s freeways has increased over time, that could be the result of factors 

such as population growth.17 Indeed, overall, Stein found that the adoption of 

fees had no statistically significant effect on “the incidence of freeway 

 

16 HPTA urges that SafeClear has placed a significant economic burden on its members who are excluded from the program, but that exclusion existed before the 2011 amendments. If anything, as discussed above, the 2011 amendments appear to make it more likely 

that a non-SafeClear operator is called, thus reducing any economic burden to HPTA 

members.

17 The City’s expert also found an increase in overall clearance times since 2011, which 

is a “factor contributing to collisions.” Nevertheless, 83% of tows still were cleared within 

twenty minutes between 2011 and 2012, which is well over the program goal of 75%. Stein

posited that the increased clearance time may result from a higher number of collision tows 

(themselves a probable result of the overall increase in collisions), which take longer to clear 

than for stalled vehicles. Because vehicle owners involved in collisions blocking traffic were 

already required to pay towing fees before the 2011 amendments, if this explanation is 

correct, it is unlikely that the 2011 changes affected the increase in duration times.

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collisions.” Instead, the city’s expert found “strong evidence” that the 

SafeClear program has “had a significant effect on reducing collisions on the 

Houston freeways.” 

HPTA does little to rebut this evidence. It points out that the proper 

variable to measure is secondary accidents (which occur as the result of primary collisions), because secondary accidents are what prompt towing is supposed to reduce. Instead, the city presented evidence regarding overall collisions. Although HPTA may be correct that secondary collisions would be a 

more accurate measure of SafeClear’s success, nevertheless, as HPTA’s own 

expert observes, information regarding secondary collisions is not available.

Overall, HPTA has not demonstrated that charging fees for shoulder tows has

had an impact on SafeClear’s ability to promote safety on Houston’s roads. 

Absent evidence that the 2011 amendments negatively impacted SafeClear’s ability to be “genuinely responsive to safety concerns,” HPTA’s other 

arguments regarding the overall effectiveness of SafeClear are foreclosed. 

HPTA has failed to show that the 2011 amendments changed SafeClear’s purpose of promoting safety or its actual ability to promote safety. In other words, 

HPTA has not demonstrated that there has been a change in the relevant facts 

undergirding its claim of federal preemption since the last suit. The nucleus 

of operative facts remains the same. The claim of federal preemption is barred 

by res judicata. 

D.

There is another reason why HPTA cannot demonstrate that the 2011 

amendments have had an impact on its claims of federal preemption. Section 14501(c)(2)(C) contains an additional basis for local regulation of towing 

to be exempted from federal preemption: Local governments may “enact or 

enforce a law, regulation, or other provision relating to the price of for-hire 

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motor vehicle transportation by a tow truck, if such transportation is performed without the prior consent or authorization of the owner or operator of 

the motor vehicle.” (Emphasis added.)18 Indeed, as the district court noted in 

SafeClear II, to the extent that SafeClear regulates tows without the owner’s 

consent, that is an independent basis for the program to be exempt from federal 

preemption. See SafeClear II, 2008 WL 1782278 at *2. The 2011 amendments 

to SafeClear apply only to non-consent tows (which occur when a police officer 

requests the tow). See Houston Code of Ordinances § 8-123(a). Consent tows 

(where the vehicle owner requests the tow) are exempt from set fees. See id.

§§ 8-101, 8-103(c)(3), 8-123(a)–(b). Thus, the 2011 amendments cannot be preempted, because they apply only to non-consent tows. Those amendments 

create no new facts which could form a basis for preemption. Therefore, even 

apart from the safety exception, res judicata precludes HPTA’s claims of federal preemption.19

E.

HPTA also claims that the 2009 amendment, which stated that tow operators could not solicit business at the scene of an accident until after police had 

departed, infringes on its commercial-speech rights. HPTA made a similar 

argument in SafeClear II.20 Thus, HPTA’s First Amendment argument also is 

 

18 This was the version of 49 U.S.C. § 14501(c)(2)(C) in force when these parties filed 

their briefs. In December 2015, Congress amended this section to read, “[This provision] does 

not apply to the authority of a State or a political subdivision of a State to enact or enforce a 

law, regulation, or other provision relating to the regulation of tow truck operations performed 

without the prior consent or authorization of the owner or operator of the motor vehicle.” 

(Substituted text in italics). The amendment is not significant for our purposes. If anything, 

it increases the ability of local government to regulate non-consent tows, because local regulations are no longer confined to the price of transportation. 

19 Thus, HPTA’s claim that the city’s definition of non-consent tows is overinclusive is 

precluded. There has been no change in the facts affecting this definition between 

SafeClear II and the present suit. 

20 See SafeClear II, 2008 WL 1782278 at *6 (challenging SafeClear’s requirement that 

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barred by res judicata. 

Before the 2009 amendment, Houston Code of Ordinances § 8-128 made 

it “unlawful for any wrecker driver to solicit the business of towing, removing 

or repairing any abandoned or disabled vehicle at a police scene by words, 

cards, circulars or gestures, until such time as a law enforcement officer has 

completed his investigation or authorized the action.” Thus, the ordinance 

already prohibited solicitation at police scenes. All the 2009 amendment did 

was clarify that tow operators could not solicit business until “all law enforcement officers have departed the scene.” 

Though there might be a short delay between when an officer concludes

an investigation and when he leaves the accident scene, requiring tow operators to wait to solicit business slightly longer under the new language,21 this 

is a distinction without a difference for First Amendment purposes. Allowing 

a tow operator to solicit business a few minutes earlier does not affect the 

commercial-speech analysis. The important fact remains the same both before 

and after the amendment—tow operators are being excluded from solicitation

at accident scenes while police are working. Thus, no significant changes have 

occurred between SafeClear II and this suit. The claim and cause of action are

identical. HPTA’s commercial-speech claim is barred by res judicata. 

The summary judgment is AFFIRMED.

 

tow operators wait until police have concluded their investigation to solicit business).

21 Or, alternatively, a small delay could be the result of the officers’ no longer being 

permitted to authorize tow operators to solicit business before the officers leave the scene.

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