operations are very complex during peak periods, with an average of one train every 2 minutes (30 trains / hour) on the common trunk line in the busier direction (east to west in the morning, west to east in the evening), and one train every 2 min 30 sec in the other direction (24 trains / hour). rick tried to get close to her again, but she brushed him off. 1918 – was published the first selection of "the sad people". the dog will only attack when he is barking towards a nearby enemy. 