Service changes affecting most Pasadena Transit routes will go into effect on Sunday, July 1. Specific changes include: Sunday service will operate from 8 a.m. to 5 p.m. on Routes 10, 20, 31/32, 40, and 51. Weekday service is being added on Route 20 from 1 p.m. to 5 p.m., with a bus operating about…