Traffic was snarled on highway-156 on tuesday, when 2-separate accidents occurred. The first wreck happened at 4:20 p.m., in Hollister, when a semi-truck towing a mobile home crashed near bixby road. In the 2nd incident, (near Prunedale), a truck carrying a trailer-load of horses crashed near the interchange with highway-101. No injuries were reported in either accident. Elsewhere on the central coast, commuters were hung up in the Watsonville area, when a car fire broke out.