That section was last changed by the legislature in 1980 — it added the $25 per diem for longer trials, but kept the $9 initial rate — and lays out those rates for the entire commonwealth. It also sets that in all judicial districts except Philadelphia’s, jurors must be reimbursed 17 cents for each mile they travel for jury duty. (There’s no clear official explanation for why Philadelphia jurors can’t get reimbursed for travel, but a report by the First Judicial District does recognize that the statute may cause a “transportation hardship” and suggests that providing reimbursement for Philadelphia jurors could boost juror turnout.)