+ Driver &driver = layout.get_driver();
+
+ if(timetable)
+ timetable->tick(t);
+ control->tick(dt);
+ float speed = control->get_speed();
+ unsigned speed_notch = find_speed(abs(speed));
+
+ if(speed && (speed<0)!=reverse)
+ {
+ driver.set_loco_reverse(address, speed<0);
+ reverse = speed<0;
+
+ release_blocks(rsv_blocks);
+ reverse_blocks(cur_blocks);
+
+ reserve_more();
+ }
+ if(speed_notch!=current_speed && !speed_changing && !driver.is_halted() && driver.get_power())
+ {
+ speed_changing = true;
+ driver.set_loco_speed(address, speed_notch);
+
+ pure_speed = false;
+
+ if(speed_notch)
+ set_status(format("Traveling %d kmh", get_travel_speed()));
+ else
+ set_status("Waiting");
+ }
+
+ if(speed)
+ {
+ if(!active)
+ set_active(true);
+
+ Vehicle &vehicle = *(reverse ? vehicles.back() : vehicles.front());
+ Track *track = vehicle.get_track();
+
+ bool ok = false;
+ for(list<BlockRef>::const_iterator i=cur_blocks.begin(); (!ok && i!=cur_blocks.end()); ++i)
+ ok = i->block->get_tracks().count(track);
+
+ float d = get_real_speed(current_speed)*(dt/Time::sec);
+ if(ok)
+ vehicle.advance(reverse ? -d : d);
+ else if(accurate_position)
+ {
+ overshoot_dist += d;
+ if(overshoot_dist>40*layout.get_catalogue().get_scale())
+ {
+ layout.emergency(name+" has not arrived at sensor");
+ accurate_position = false;
+ }
+ }
+ }
+ else if(end_of_route)
+ set_route(0);
+
+ if(!cur_blocks.empty() && !cur_blocks.front().block->get_sensor_id())