Opinion by

The constitution guards the citizen against an unjust or oppressive exercise of the right of eminent domain. In section 8 of art. 16 it is provided that municipal, like all other corporations possessing the right of eminent domain, shall make “ just compensation for all property taken, injured or destroyed by them; ” and that such compensation shall be paid or secured to the owner before the taking, injury or destruction shall be allowed to take place. The same section secures to the property owner the right to appeal from any preliminary appraisement of the compensation due him, and the further right to a trial before a jury in such appeal according to the course of the common law. The machinery by which this “ just compensation” shall be ascertained is provided by the act of 1874. It is set in motion upon the petition of the corporation or of the owner. It consists of the appointment by the proper court of viewers to investigate and determine the value of the injury done to the owner, and then to report to the court. From this report an appeal lies to the court that appointed the viewer’s, in which upon request the amount of the damages to be paid to the claimant may be determined by trial before a jury. The Avhole proceeding is judicial. Every successive step is made a matter of record in the office of the clerk of the court, and is open to the inspection of the parties and the general public at all times. The idea that the corporation exercising the right of eminent domain might exercise judicial jurisdiction over its own causes, appoint viewers to ascertain the damages it had inflicted upon a property owner, require him to come before it and contest the conclusions of the viewers, confirm or set aside the report at its will, and set up its own action in support of the plea of res adjudicata, when called upon in a court of law to answer for the taking, injury or destruction of the property of the citizen, gets no support or countenance from the constitution or the general law of 1874. It is too monstrous to be *329tolerated. The city is the taker. The citizen whose property is affected is the complaining party, the plaintiff. This controversy must be litigated in, and determined by, the established judicial tribunals to which the decision of all other controversies is committed. The defendant can have no better right to sit as judge in its own case than the plaintiff, and so much of the local act of 1870 as professed to confer this power upon the defendant is a palpable violation of the declaration of rights, and of section 7, art. 8 of the constitution. The city can properly raise committees, or appoint viewers, or boards of appraisers, for its own information and require reports to be made to the mayor, councils, or heads of departments. Such bodies are instrumentalities made use of in the administration of municipal affairs to facilitate the transaction of business, and to secure exact information in regard to important subjects upon which municipal action may become necessary. But it can call upon no one having a claim against the city to submit to the arbitrament of such boards or committees, or of the city itself. Now in this case the city of Allegheny, by ordinance established the grade of Woodland avenue, and in the same ordinance, acting under the local act of 1870, appointed viewers to assess the damages and benefits occasioned thereby, with directions to report to the city councils. The viewers made a report allowing no damages and assessing no benefits. This report was confirmed by the city councils. In 1894 the work of changing the grade upon the ground was entered upon, and the avenue was put upon the grade established by the ordinance. In 1895 Cora E. Fisher presented her petition to the court of common pleas of Allegheny county for the appointment of viewers to assess the damages she had sustained by reason of the change of grade. Viewers were appointed who awarded damages, and imposed them upon the city. This report has now been confirmed, and the present appeal was taken from the decree of confirmation. The appellant alleges that the court of common pleas has no jurisdiction over the assessment of damages done, or benefits conferred, by the change in the grade of Woodland avenue. The first reason given in support of this denial of jurisdiction rests on the alleged legal value of the proceedings taken by the city before itself, under the act of 1870. The second rests upon a denial of the jurisdiction of the court. The *330first of these reasons requires no discussion. It was decided by this court in re Wyoming Street, 137 Pa. 494, and in Huckestein’s Appeal, 165 Pa. 367. The second reason has not been heretofore considered but it does not seem to be involved in much difficulty. The entry of the city upon the premises of Mrs. Fisher was made as is alleged under the act of 1870, but it was equally authorized by the act of May 16, 1891, and its supplement of June 12, 1893. The act of May 16, 1891, authorizes all municipal corporations to change the grade or lines of its streets, lanes or alleys, and in so doing to take, use, occupy or injure private property.

If the compensation due to the owner is not ascertained by agreement, provision is made by this act for its ascertainment by proceedings in the court of common pleas of the proper county. Upon petition of the owner or of the corporation viewers are to be appointed to ascertain the damages and the benefits and make report to the court appointing them. When the report is made hoth parties have an opportunity to be heard for or against the report, and, if required by either party, a trial may be had before a jury, and the amount to which the owner is entitled as his “just compensation” determined by a verdict. This act is general i'n its terms. It embraces “ all municipal corporations of this commonwealth; ” and it provides a remedy for every person injured by the action of any municipal corporation relating to the change of the grade of any of its streets, lanes and alleys. If by reason of the unconstitutionality of the provisions of the act of 1870 relating to the assessments of damages and benefits for the change of grade upon Woodland avenue, there is no local act under the terms of which the plaintiff has a right to apply to the court of common pleas, then the act of 1891 provides a remedy. It relates to this subject. It empowers the court to act upon the petition of either party, and provides the necessary machinery for the ascertainment of damages and the assessment of benefits. If the entry authorized by this act has taken place under the authority of any act of assembly, and there is no other means of determining the amount of injury done thereby to the property owner, he may come into the court of common pleas and ask to be accorded the benefits of an ascertainment of his damages under the provisions of the general law of 1891. A party entitled to relief will not be *331turned away from the courts because his property has been taken, injured or destroyed under a local law that makes no provision for compensation, so long as a general law can be found which supplies the deficiency in the local law and gives him an ample remedy. The city has changed the grade of Woodland avenue. It had the right to do so under the act of 1870 and that of 1891. The act of 1870 made no provision for ascertaining the damages done by the change of grade. The act of 1891 makes ample provision, and the plaintiff is entitled to the benefit of its provisions.

The judgment is affirmed.