The Market-Frankford Line is becoming the L. The Broad Street Line is becoming the B. The Local is the B1, the Express is the B2 and the Spur is the B3. Subway-Surface Trolleys are becoming the T.

Subway-Surface Trolleys are becoming the T. The 10 is the T1, the 34 is the T2, the 13 is the T3, the 11 is the T4, and the 36 is the T5. The Route 15 Trolley is becoming the G.