Starting at 10 a.m., SEPTA will begin the process of suspending all bus service, both city and suburban, due to deteriorating weather conditions, according to the regional transit agency's latest announcement.

Routes 19, 33, 35, 39, 120, 126, 127, 128, 129, 130, 133, 150, 204 and 205 have been suspended already suspended until further notice. There are 56 routes with weather-related detours.

All trolley lines, the Norristown High Speed Line, Market-Frankford Line and Broad Street Line will continue to operate with delays.

All Regional Rail Lines will operate with delays of up to 60 minutes.

All detours are available on the System Status section of www.septa.org. SEPTA Customer Service representatives are available at 215-580-7800.