SAN DIEGO (KUSI) – New state guidelines are allowing for 20% capacity at Petco Park and after a closed season, San Diegans are ready to play ball. Padres Opening Day is April 1, and the San Diego Metropolitan Transit System is reminding residents that their Trolleys will be serving all stations every seven to 15 minutes for most of the day. First pitch is at 1:10 p.m. Key transit information includes: Trolleys depart stations every 15 minutes for most of the day. The Old Town Transit Center is the best station to access Petco Park. Orange Line (El Cajon – La Mesa – Lemon Grove – East Village)