Opinion by
The subject matter of this appeal is the relocation costs incurred by the Philadelphia Electric Company (Company) in moving its electric utility lines from one part of a public highway to another part to make way for the construction of certain approaches to the Walt Whitman Bridge connecting Philadelphia with New-Jersey.
In 1960, appellant, the Delaware River Port Authority (Authority) filed a complaint in the Commonwealth court against appellee, the Pennsylvania Public Utility Commission (Commission) seeking the court to (1) enjoin it from “claiming any jurisdiction or power to hold hearings or take any other action that would certify or award costs against [Authority]” and (2) “grant such other relief” as the court may deem equitable. Company was permitted to intervene, The lower court denied plaintiff’s motion for judgment on the pleadings and dismissed the complaint. It also directed the Commission to proceed to “certify the actual costs involved in these proceedings and to allocate
The history surrounding this appeal is pertinent. In 1954, pursuant to the provisions of section 409 of the Public Utility Law of 1937, May 28, P. L. 1053, as amended, 66 PS §1179, Authority applied to Commission for permission to construct portions of the Walt Whitman Bridge over railroad tracks located on Delaware Avenue in Philadelphia. Incident to this request, Authority requested Commission to allocate the costs and expenses arising from the construction in question, under section 411 of the statute, 66 PS §1181.
In response to this application, Commission approved the crossing and found as one of the costs the expenses of Company in moving its utility lines to accommodate the construction, which expenses were ordered to be paid by Authority. Authority appealed this order to the Superior Court which in Delaware River Port Authority v. Pennsylvania Public Utility Commission,
Subsequently, in separate and distinct proceedings involving the same parties, relocation costs of Company in other crossings of the bridge were imposed against Authority by Commission. On appeal, the Superior Court once again affirmed Commission.
Thereupon, Authority filed in this court a petition for a writ of prohibition, seeking to prevent Commission from certifying the costs of Company which were involved in the earlier decision of the Superior Court at
Subsequently, Company petitioned Commission for a certification of the costs in the earlier proceedings. Authority moved before Commission that this petition be dismissed which motion Commission denied. Thereupon, Authority brought this present equity action to enjoin Commission from proceeding further in that matter, citing as authority the decision of this court in the later proceedings decided at
The issue before us resolves itself down to a determination of the res judicata effect of the Superior Court’s opinion in the first proceeding reported at
In asserting this proposition, appellant misconstrues the meaning of the doctrine of “the law of the case.” This court has on several occasions defined this
An essential requirement of the doctrine is that it be applied only “upon a subsequent appeal on another phase of the same case.” It is here that appellant falls into error. The second set of proceedings between Authority and Commission which are reported in
It is pure coincidence that the two cases involve the exact same parties and arise out of the construction of the same bridge (although they concern relocation of lines on different streets). For the sake.of. clarity in deciding the real issue involved, it would have been preferable had the second case arisen from the construction of another bridge, or had Authority challenged' the assessment of relocation costs incident to the moving of gas lines rather than, once again, electric lines. However, we do not pick the litigants or situations to suit our convenience. At all stages, the two cases have been handled separately — relocation of lines-' on different streets are involved; there were separate hearings before Commission at different times; there were different appeals in separate years. At no time, until after the rendition of our opinion in
When, in 1956, the Superior Court held in
Appellant contends, however, that our opinion in
As recently as Burke v. Pittsburgh Limestone Corporation, supra, Justice Arnold, quoting from and commenting on section 1, Restatement, Judgments (1942) had this to say: “ ‘Where a reasonable opportunity has been afforded to the parties to litigate a claim before a court which has jurisdiction over the parties and the cause of action, and the court has finally decided the controversy, the interests of the State and of the parties require that the validity of the f»laiTn and any issue actually litigated in the action shall not be litigated again by them.’ The comment, b, states: ‘The principle stated in this Section is applicable although the judgment was erroneous, either on the law or on the facts. The unsuccessful party has an opportunity to attack the judgment by steps properly taken in the action in which the judgment is rendered. He may take proceedings in the trial court to have the
: This is in conformance with other decisions of this co.urt that the mere fact that an appellate court later decides in. another case that the principle of law announced or established in an earlier litigation, since terminated, is improper, does not vitiate the effect of ,the earlier case.
In Strauss v. W. H. Strauss & Company, Inc.,
In regard to this question, two sections of Restatement, Judgments (1942) are relevant. Complementing section 1, quoted above, section 126 states as follows: “(2) Although a judgment is erroneous and inequitable, equitable relief will not be granted to a party thereto on the sole ground that . . . (e) the judgment was the result of a mistake of law or of fact by the court. . . .” Moreover, in 50 C.J.S. Judgments §704 (1.947),.it is noted: “Where a valid judgment has been rendered by .a court having jurisdiction of the parties
Accordingly, the authorities are in accord with the well-established law in this Commonwealth that a subsequent decision revealing a prior decision to be in error does not preclude the application of the doctrine of res judicata. In the words of Judge Swope of the court below: “In the case at hand, nothing was left to be done under the decision in
Having decided that the determination of the Superior Court in
We note, however, that Authority misinterprets our decision in
In section 411 of the Public Utility Law, 66 PS §1181, the legislature gave Commission general jurisdiction over the allocation of costs resulting from the construction of crossings. No other body entertains jurisdiction over this subject matter. Indeed, it ill-behooves Authority to challenge Commission’s jurisdiction since Authority was the party invoking it.
We said in Delaware River Port Authority v. Pennsylvania P. U. C.,
Accordingly, the lower court acted properly in dismissing appellant’s complaint and in denying the relief sought.
Decree affirmed at appellant’s costs.
Notes
Delaware River Port Authority v. Pennsylvania Public Utility Commission, 184 Pa. Superior Ot. 280,
