Appellees, a group of interstate railroads operating in
Arkansas, sought declaratory and injunctive relief in the District
Court, claiming,
inter alia, that Arkansas' "full-crew"
laws violate the Commerce Clause, and the Due Process and Equal
Protection Clauses of the Fourteenth Amendment. The full-crew laws
require minimum train crews for certain conditions of railroad
operation in the State but, through mileage classification, have
the effect of exempting the State's intrastate railroads from those
requirements. The laws were enacted in 1907 and 1913 to further
railroad safety, and, though several times subsequently
reevaluated, have been retained for that purpose. Conflicting
evidence was given to support the railroads' claims that full-crew
requirements merely facilitate featherbedding and appellants'
claims that such requirements promote safety. Though earlier
decisions of this Court upheld the statutes against constitutional
challenge, the District Court concluded that conditions have
changed and that the full-crew laws now impermissibly burden
interstate commerce. The court also held that the full-crew laws
are "unreasonable and oppressive," and thus violate the Due Process
Clause of the Fourteenth Amendment. The court did not reach
appellees' contention that the laws discriminate against interstate
commerce in favor of intrastate commerce in violation of the
Commerce and Equal Protection Clauses.
Held:
1. Whether full-crew laws are necessary to further railroad
safety is a matter for legislative determination. In the
circumstances of this case, the District Court erred in rejecting
the legislative judgment that such laws promote railroad safety and
that
Page 393 U. S. 130
the cost of additional crewmen is justified by the safety such
laws might achieve. Pp.
393 U. S.
136-140.
2. The mileage classification of the Arkansas laws is
permissible under the Commerce and Equal Protection Clauses. Pp.
393 U. S.
140-142.
3. The full-crew laws do not violate the Equal Protection Clause
by singling out railroads from other forms of transportation, and
appellees' contention that the statutes are "unduly oppressive"
under the Due Process Clause affords no basis for their
invalidation apart from any effect on interstate commerce. Pp.
393 U. S.
142-143.
274 F.
Supp. 294, reversed and remanded.
MR. JUSTICE BLACK delivered the opinion of the Court.
These cases raise the question whether the Arkansas "full-crew"
laws, specifying a minimum number of employees who must serve as
part of a train crew under certain circumstances, violate the
Commerce Clause or the Fourteenth Amendment. The constitutionality
of these Arkansas laws has been specifically upheld against
challenges under the same constitutional provisions in three
decisions of this Court, in 1911, in 1916, and again in 1931.
[
Footnote 1] In the present
cases, however, the District Court found that, as a result of
economic and technical
Page 393 U. S. 131
developments since our last decision on this subject, the
statutes were no longer justified as safety measures, the ground on
which they had formerly been sustained, and struck them down as
contrary to the Commerce Clause of the Constitution and the Due
Process Clause of the Fourteenth Amendment.
274 F.
Supp. 294 (D.C.W.D. Ark.1967). We noted probable jurisdiction,
390 U.S. 941 (1968). We disagree with the District Court's holding
that the railroads have shown a change in circumstances sufficient
to justify departure from our three previous decisions. We
therefore reaffirm those cases and reverse the judgment of the
District Court.
The first of the two statutes challenged here was enacted in
1907, and this law makes it an offense for a railroad operating a
line of more than 50 miles to haul a freight train consisting of
more than 25 cars, unless the train has a crew of not "less than an
engineer, a fireman, a conductor and three [3] brakemen." [
Footnote 2] The second statute, enacted
in 1913, makes it an offense for any railroad with a line of 100
miles or more to engage in switching operations in cities of
designated populations, with "less than one [1] engineer, a
fireman, a foreman and three [3] helpers. . . ." [
Footnote 3] These two statutes, the
constitutionality of which this Court previously upheld, are
precisely the statutes here challenged and struck down.
This latest attack on these Arkansas laws was commenced by a
group of interstate railroads operating in Arkansas which asked the
United States District Court to declare the statutes
unconstitutional and enjoin two Arkansas prosecuting attorneys,
appellants here, from enforcing them. The railroad brotherhoods,
also appellants
Page 393 U. S. 132
here, were allowed to intervene in the District Court in order
to defend the validity of the state statutes. In their complaint,
appellees charged that both statutes (1) operate in an "arbitrary,
capricious, discriminatory and unreasonable" manner in violation of
the Due Process and Equal Protection Clauses of the Fourteenth
Amendment; (2) unduly interfere with, burden, and needlessly
increase the cost of interstate transportation in violation of the
Commerce Clause, Art. I, § 8, cl. 3, of the Constitution, and
contrary to the National Transportation Policy expressed in the
Interstate Commerce Act; (3) discriminate against interstate
commerce in favor of local or intrastate commerce, and (4) invade a
field of federal legislation preempted by the Federal Government
primarily through Pub.L. 88-108, passed by Congress in 1963
[
Footnote 4] to avert a
nationwide railroad strike.
In its first opinion in these cases, the District Court granted
the railroads' motion for summary judgment, holding that the field
of full-crew legislation was preempted by Pub.L. 88-108,
239 F. Supp.
1 (D.C.W.D. Ark.1965), but we reversed on the preemption
question,
sub nom. Engineers v. Chicago, R.I. & P. R.
Co., 382 U. S. 423
(1966). We also held that the railroads were not entitled to
summary judgment on their alternative theory that, because the
effect of the mileage exemption in the two Acts is to free all of
the State's intrastate railroads from the full-crew requirements
while ensuring coverage of most of the interstate railroads, the
two Acts "constitute discriminatory legislation against interstate
commerce in favor of intrastate commerce."
Id. at
382 U. S.
437-438. On remand, the District Court held an
evidentiary hearing and, after compiling a voluminous record, found
that the full-crew requirements had "no substantial effect on
safety of operations," placed "substantial financial burdens" upon
the carriers, and caused
Page 393 U. S. 133
"some delays" and interference with the continuity of railroad
operations. On the basis of these findings, the District Court held
the Arkansas laws unconstitutional as impermissible burdens on
interstate commerce, and also ruled that, because the laws were
"unreasonable and oppressive," they violated the Due Process Clause
of the Fourteenth Amendment. The court did not reach the railroads'
further argument that the Arkansas laws discriminate against
interstate commerce in favor of intrastate commerce in violation of
the Commerce and Equal Protection Clauses. Appellants challenge
both the accuracy of the District Court's findings and holdings and
their relevance to adjudication of the constitutional issues
presented. They ask us to hold that the Arkansas laws do not
impermissibly burden interstate commerce or otherwise violate any
provision of the Constitution.
I
The question of crew size has been a subject of dispute between
the railroads and their employees for more than half a century.
Much of the controversy has, of course, been fought out by
collective bargaining between the railroads and the unions.
[
Footnote 5] In many States,
attempts have been made to settle the controversy by legislation.
The Arkansas statutes before us were passed in 1907 and 1913, along
with a number of other laws designed to further railroad safety,
such as headlight standards, regulations concerning the obstruction
of train crossings, and so on. [
Footnote 6] Many other States have also passed full-crew
laws as parts of detailed codes regulating railroad safety.
[
Footnote 7]
Page 393 U. S. 134
These safety codes, and the full-crew provisions in particular,
have been subject to continual reevaluation throughout the country.
In New York, for example, the Public Service Commission in 1960
recommended total repeal of the State's full-crew legislation, and,
in 1966, two of the three New York laws in the field were repealed,
but the legislature explicitly rejected a proposal to repeal the
third law, which requires both a fireman and an engineer to be on
duty in the engine cab, in addition to the brakeman who serves in
the cab on freight hauls. [
Footnote
8] In Arkansas, the railroad safety laws have similarly been
subject to close scrutiny. Additional safety requirements have been
added from time to time, [
Footnote
9] and some safety requirements considered out-of-date have
been repealed. [
Footnote 10]
With respect to the full-crew statutes specifically, a proposal to
repeal these statutes was placed on the ballot for popular
referendum in 1958, and was decisively defeated by the voters.
Congress too has been concerned with the problem of the rules
governing crew size, and, in 1963, passed a statute referring the
dispute between the railroads and the unions to arbitration, but,
as we held in our prior decision, Congress was aware of state
full-crew laws, and did not intend to override them. 382 U.S. at
382 U. S.
429-437
In spite of this background of frequent and recent legislative
reevaluation of the full-crew problem, both at the state and
national levels, the railroads now ask us to determine, as a
judicial matter, that these laws no longer make a significant
contribution to safety, and so
Page 393 U. S. 135
seriously burden the railroads in their operations that they
should no longer stand under the Commerce Clause. The essence of
the railroads' position is that the requirement of additional
crewmen amounts to nothing more than featherbedding. They claim
that the firemen, once needed to tend the furnaces on steam
locomotives, are not necessary on the diesel engines now generally
in use. Although the railroads recognize that the fireman performs
a valuable lookout function on passenger trains, where he and the
engineer are the only crewmen in the engine cab, they assert that,
in both freight hauling operations and yard switching operations,
other railroad employees are available to provide an adequate
lookout and assist the engineer in correcting mechanical problems
and performing other miscellaneous duties. The railroads thus
maintain that the firemen, and some of the other required crewmen,
perform no useful function and make no significant contribution to
safety. At the same time, the railroads contend, the full-crew
requirements substantially increase their cost of operation,
hampering their ability to improve railroad service and to compete
with other modes of transportation, and also burden commerce by
requiring interstate trains passing through Arkansas to slow down
or stop at the border to pick up and let off the extra crewmen.
The State of Arkansas and the railroad brotherhoods, all
appellants here, take a different view of the functions performed
by the firemen and other additional crewmen required under the
statutes. They claim that the work performed by these employees --
serving as lookout, passing signals, relieving the engineer in
emergencies, inspecting the engine and other cars, and helping to
make needed adjustments and repairs while the train is moving -- is
still necessary, and cannot be performed by other employees without
unduly burdening them and interfering with the proper performance
of their other tasks. Appellants
Page 393 U. S. 136
argue that, although some technological improvements have tended
to eliminate safety hazards and lighten the work of the train crew,
other developments, such as the increased size and speed of trains,
the heavier automobile traffic over train crossings, and the
competitive pressures for faster switching of trains, have had
exactly the opposite effect.
The District Court analyzed these conflicting contentions and
the conflicting evidence adduced to support them and concluded that
the full-crew requirements have "no substantial effect on safety of
operations." The court also said that, even if these requirements
did add "some increment of safety to the operation, we think that
such an increment is negligible . . . and not worth the cost." As
additional factors justifying its conclusion that the laws created
an unconstitutional burden on interstate commerce, the court
emphasized
"the financial burden of compliance, which is out of all
proportion to the benefit, if any, derived, and the added burden
involved in the taking on and discharging men at or near the
Arkansas State line. . . ."
We think it plain that, in striking down the full-crew laws on
this basis, the District Court indulged in a legislative judgment
wholly beyond its limited authority to review state legislation
under the Commerce Clause. The evidence as to the need for firemen
and other additional crewmen was certainly conflicting, and, to a
considerable extent, inconclusive. Many railroad employees gave
direct testimony as to incidents in which, for example, the
presence of a fireman as a lookout helped avert a serious accident.
With respect to statistical evidence, the District Court itself
noted:
"The statistical evidence as to the effect upon safety of the
reductions in force authorized by the basic award and by the awards
of the special adjustment boards [under the 1963 arbitration] is
not entirely satisfactory either way. . . ."
Indeed, as the
Page 393 U. S. 137
court below recognized, the statistics showed that railroad
accidents had actually increased during the period from 1964-1966,
when the size of train crews was being reduced. [
Footnote 11]
It would hardly be possible to summarize here all the other
evidence in the record relevant to the safety question, and, as we
have indicated, it is wholly unnecessary to do so. A brief summary
of some of the findings of Arbitration Board No. 282, the panel set
up pursuant to Pub.L. 88 108, should suffice to show that the
question of safety is clearly one for legislative determination. In
quoting from this report, of course, we in no way intend to
indicate that the District Court should have accepted any of its
specific conclusions or that this evidence was necessarily any more
persuasive than any of the many other sources of information about
the problem. We single it out only because it is one of the more
recent reports and because it was heavily relied upon by the
District Court and by the railroads themselves. The Board stated as
its very first finding:
"1. The record contains no evidence to support the charge,
frequently and irresponsibly made, that firemen presently employed
in road freight and yard service throughout the country are being
paid to do nothing, and actually perform no useful work."
The Board then went on to deal specifically with the various
functions for which firemen were claimed to be necessary. It
concluded that firemen were not necessary to perform the lookout
function in "the great majority of cases," and that they were not
needed to perform certain
Page 393 U. S. 138
mechanical duties. The Board also held, however, that, in order
to insure relief of an engineer who becomes incapacitated while
operating the train, firemen were clearly necessary in yard service
on engines that were not equipped with a fully operative dead-man
control, and the record before us in the present cases indicates
that a substantial percentage of the engines operated in Arkansas
are not equipped with this device. Although the Board thus thought
that firemen could be eliminated in most cases, the Board
emphasized:
"[W]e are satisfied that a certain number of such assignments
require the continued employment of firemen in order to prevent
excessive safety hazard to lives and property, to avoid imposing an
undue burden upon the remaining crew members, and to assure
adequate and safe transportation service to the public."
Finally, and most significant, the Board itself stressed in
conclusion the subjective nature of its findings with reference to
safety:
"Safety is, of course, essentially a relative concept; once
adequate minimum standards have been achieved, the decision as to
how much more safety is required must necessarily be governed by
all the accompanying circumstances. Railroading is, unfortunately,
a hazardous occupation, and the problem before us cannot be viewed
simply in terms of preventing or not preventing accidents."
This summary, taken from evidence heavily relied upon by the
railroads and generally favorable to their position, leaves little
room for doubt that the question of safety in the circumstances of
this case is essentially a matter of public policy, and public
policy can, under our constitutional system, be fixed only by the
people acting through their elected representatives. The District
Court's responsibility
Page 393 U. S. 139
for making "findings of fact" certainly does not authorize it to
resolve conflicts in the evidence against the legislature's
conclusion, or even to reject the legislative judgment on the basis
that, without convincing statistics in the record to support it,
the legislative viewpoint constitutes nothing more than what the
District Court in this case said was "pure speculation."
Of the other matters relied upon by the District Court, the
problem of delay at the state borders apparently has not changed
appreciably since the days of this Court's earliest full-crew
decisions and this Court's statement of the insignificance of the
problem in
Southern Pacific Co. v. Arizona, 325 U.
S. 761,
325 U. S. 782
(1945), is equally valid today:
"While the full train crew laws undoubtedly placed an added
financial burden on the railroads in order to serve a local
interest, they did not obstruct interstate transportation or
seriously impede it. They had no effects outside the state beyond
those of picking up and setting down the extra employees at the
state boundaries; they involved no wasted use of facilities or
serious impairment of transportation efficiency. . . ."
Nor was it open to the District Court to place a value on the
additional safety in terms of dollars and cents, in order to see
whether this value, as calculated by the court, exceeded the
financial cost to the railroads. [
Footnote 12] As we said
Page 393 U. S. 140
in
Bibb v. Navajo Freight Lines, 359 U.
S. 520 (1959), where the District Court had struck down
an Illinois law requiring trucks to be equipped with contour
mudguards on the ground that the equipment had no safety advantages
and was very costly to install and maintain:
"Cost, taken into consideration with other factors, might be
relevant in some cases to the issue of burden on commerce. But it
has assumed no such proportions here. If we had here only a
question whether the cost of adjusting an interstate operation to
these new local safety regulations prescribed by Illinois unduly
burdened interstate commerce, we would have to sustain the law
under the authority of the
Sproles [
286 U.S.
374 (1932)],
Barnwell [
303 U.S.
177 (1938)], and
Maurer [
309 U.S.
598 (1940)] cases. The same result would obtain if we had to
resolve the much discussed issues of safety presented in this
case."
Id. at
359 U. S. 526.
[
Footnote 13] It is
difficult, at best, to say that financial losses should be balanced
against the loss of lives and limbs of workers and people using the
highways. We certainly cannot do so on this showing.
II
We deal next with the contention that, because of the mileage
exemption, the full-crew laws discriminate against interstate
commerce in favor of intrastate commerce. This contention, like the
railroads' other claims,
Page 393 U. S. 141
was, of course, specifically rejected in this Court's earlier
decisions dealing with these same Arkansas statutes. We noted in
our prior opinion in the present cases that the effect of the
mileage exemptions was to free all of the State's 17 intrastate
railroads from the coverage of the Acts, while 10 of the 11
interstate railroads are subject to the 1907 Act, and eight of them
are subject to the 1913 Act. We went on to say, however, that the
difference in treatment based on differing track mileage might have
a rational basis, and we therefore held that the mileage
classification could not, "on the record now before us," be
considered a discrimination in violation of the Commerce and Equal
Protection Clauses. 382 U.S. at
382 U. S.
437.
Despite the extensive testimony and exhibits added to the record
since our previous consideration of these cases, we have found no
basis for altering our conclusion that the mileage classification
is permissible. The railroads argue that the extra men, if needed
at all, are equally necessary on all trains, regardless of whether
the company operating them happens to own a more or a less
extensive system of track. But evidence in the record establishes a
number of legitimate reasons for the mileage exemption. In the case
of at least one of the short-line roads, the maximum speed for
trains running over its main track is 35 miles per hour, while
trains moving over the longer lines have speed limits of 65 and, in
some cases, 75, miles per hour. The apparent use of much slower
trains over the short lines certainly provides a basis upon which
the Arkansas Legislature could conclude that the hazards
encountered in line-haul operations are less serious, and
accordingly that the need for regulation is less pressing, on the
short lines. Similarly in connection with the switching operations,
there was evidence that the usefulness of additional employees
depends to some extent on the length of the train being
switched,
Page 393 U. S. 142
another factor that -- like speed -- tends to vary according to
the railroad's total trackage. Finally, the legislature could also
conclude that the smaller railroads would be less able to bear the
cost of additional crewmen, even though the total additional cost
would, of course, tend to be smaller in the case of the smaller
companies.
Although the railroads claim that other criteria could provide a
more precise test of the situations where a larger crew is
desirable, these other standards have inadequacies of their own,
and are, for the most part, far too vague to provide a basis for a
statutory classification. And in any event, the courts may not
force a state legislature to attain scientific perfection in
determining the coverage of statutes of this type. As we stressed
in the
Bibb case, 359 U.S. at
359 U. S.
524:
"These safety measures carry a strong presumption of validity
when challenged in court. If there are alternative ways of solving
a problem, we do not sit to determine which of them is best suited
to achieve a valid state objective. Policy decisions are for the
state legislature absent federal entry into the field."
Mileage classifications have repeatedly been upheld on this
basis not only in this Court's previous decisions dealing with
these very statutes, but in many other cases involving similar
problems.
See, e.g., New York, N.H. & H. R. Co. v. New
York, 165 U. S. 628
(1897). Nothing suggests that full-crew laws should now be treated
differently.
III
There remains for consideration only the railroads' contention
that the Arkansas laws violate the Due Process and Equal Protection
Clauses of the Fourteenth Amendment. Little need be said of the
claim that the statutes violate the Equal Protection Clause for the
reason that they discriminate against the railroad industry
Page 393 U. S. 143
by singling it out for regulation and making no provision for
minimum crews on "motor buses, taxicabs, airplanes, barges, cargo
trucks, or any other segment of the transportation industry." The
statutes, as written, requiring, for example, not "less than an
engineer, a fireman, a conductor and three [3] brakemen," could
scarcely be extended in their present terms to such means of
transportation as taxicabs or airplanes. Nor was the legislature,
in attempting to deal with the safety problems in one industry,
required to investigate the various differing hazards encountered
in all competing industries and then to enact additional
legislation to meet these distinct problems.
The railroads also argue that the statutes violate the Due
Process Clause because they are "unduly oppressive," and impose
costs on the regulated industry that exceed the public benefits of
the regulation. The District Court agreed with this position,
holding that the impact of the full-crew laws today is
"unreasonable and oppressive," and therefore a violation of due
process. Insofar as these arguments seek to present an independent
basis for invalidating the laws, apart from any effect on
interstate commerce, we think, with all due deference to appellees
and the District Court, that these contentions require no further
consideration.
Ferguson v. Skrupa, 372 U.
S. 726 (1963);
Williamson v. Lee Optical Co.,
348 U. S. 483
(1955);
Olsen v. Nebraska, 313 U.
S. 236 (1941);
West Coast Hotel Co. v. Parrish,
300 U. S. 379
(1937);
Nebbia v. New York, 291 U.
S. 502 (1934).
IV
Under all the circumstances, we see no reason to depart from
this Court's previous decisions holding that the Arkansas full-crew
laws do not unduly burden interstate commerce or otherwise violate
the Constitution. Undoubtedly, heated disputes will continue as to
the extent
Page 393 U. S. 144
to which these laws contribute to safety and other public
interests, and the extent to which such contributions are justified
by the cost of the additional manpower. These disputes will
continue to be worked out in the legislatures and in various forms
of collective bargaining between management and the unions. As we
have said many times, Congress unquestionably has power under the
Commerce Clause to regulate the number of employees who shall be
used to man trains used in interstate commerce. In the absence of
congressional action, however, we cannot invoke the judicial power
to invalidate this judgment of the people of Arkansas and their
elected representatives as to the price society should pay to
promote safety in the railroad industry. The judgment of the
District Court is reversed, and the cases are remanded to that
court with instructions to dismiss the complaint.
It is so ordered.
MR. JUSTICE FORTAS took no part in the consideration or decision
of these cases.
* Together with No. 18,
Hardin, Prosecuting Attorney, et al.
v. Chicago, Rock Island & Pacific Railroad Co. et al., on
appeal from the same court.
[
Footnote 1]
Chicago, R.I. & P. R. Co. v. Arkansas, 219 U.
S. 453 (1911);
St. L., I. M. & S. R. Co. v.
Arkansas, 240 U. S. 518
(1916);
Missouri Pac. R. Co. v. Norwood, 283 U.
S. 249 (1931), 290 U.S. 600 (1933). The Court's holdings
in these cases were also reaffirmed, in dictum, in
Southern
Pacific Co. v. Arizona, 325 U. S. 761,
325 U. S. 782
(1945).
[
Footnote 2]
Ark.Laws 1907, Act 116, Ark.Stat.Ann. §§ 73-720 through 73-722
(1957 Repl. Vol.).
[
Footnote 3]
Ark.Laws 1913, Act 67, Ark.Stat.Ann. §§ 73-726 through 73-79
(1957 Repl. Vol.).
[
Footnote 4]
77 Stat. 132,45 U.S.C. following § 157.
[
Footnote 5]
The long and troublesome history of this aspect of the dispute
is briefly summarized in our prior opinion in these cases, 382 U.S.
at
382 U. S.
430-432.
[
Footnote 6]
See, e.g., Ark.Stat.Ann. §§ 73-704 through 73-706;
73-718, 73-719 (1957 Repl. Vol.).
[
Footnote 7]
The approach taken in other States is summarized in the opinion
of the District Court in these cases, 274 F. Supp. at 299.
[
Footnote 8]
See New York Central R. Co. v. Lefkowitz, 23 N.Y.2d 1,
241 N.E.2d 730 (1968).
[
Footnote 9]
E.g., Ark.Laws 1951, Act 253, Ark.Stat.Ann. § 73-740
(1957 Repl. Vol.); Ark.Laws 1953, Act 130, Ark.Stat.Ann. §§ 73-741
through 73-744 (1957 Repl. Vol.).
[
Footnote 10]
E.g., Ark.Laws 1965, Act 501, Ark.Stat.Ann. § 73-730
(Supp. 1967).
[
Footnote 11]
The District Court dealt with this fact by simply stating that
this trend had been observed in years preceding the effective date
of the arbitration award, and concluding:
"Why accident rates have been increasing we do not know with
certainty, but it would be pure speculation to say that crew size
has had anything to do with it."
[
Footnote 12]
The record contains no meaningful estimate of what this cost
actually is. The railroads computed the total wages paid per year
to the allegedly unnecessary employees, and claimed that this total
figure, $7,600,000, represents the cost of compliance. But it was
admitted that the net cost is actually lower than this, because
elimination of the additional crewmen would create new expenses,
such as the special compensatory allowance paid to engineers who
operate without the assistance of a fireman, additional overtime
pay, and other costs associated with somewhat slower operations in
terminals and en route. The railroads introduced no evidence to
indicate the approximate amount of such new expenses, and we have
no way of knowing whether, as appellants claim, these expenses
would to a substantial extent offset the wage savings associated
with the reduction in crew sizes.
[
Footnote 13]
Although we struck down the Illinois law in
Bibb, we
did so on the carefully limited basis that the contour mudguard
requirement flatly conflicted with laws, enforced in at least one
other State, that trucks must be equipped with straight
mudguards.
MR. JUSTICE DOUGLAS, dissenting.
I would agree with the Court that, if the constitutionality of
these Arkansas laws were to be judged as safety measures under the
State's police power, they would have to be sustained. But as I
indicated in my dissent in
Engineers v. Chicago, R.I. & P.
R. Co., 382 U. S. 423,
382 U. S. 438,
Congress, in enacting Pub.L. 88-108, 77 Stat. 132, undertook to
displace state "full-crew" laws by delegating power to a national
arbitration board to determine, for example, the necessity of
firemen on diesel freights and the minimum size of train and
switching crews.
I would, therefore, remand the cases to the District Court for
further proceedings consistent with Pub.L. 88
-108 and the awards that have been made under it.