Lickey Incline is the steepest mainline railway gradient in the UK, bit not necessarily the busiest for freight. Most freight runs Monday -Friday with significantly less on weekends. A search on Real Time Trains for Bromsgrove (the station at the bottom of the Lickey Incline shows several freight trains timetabled to run tomorrow, but this does not mean they will actually operate. There are other places around the country where you will see significantly more freight. Where in the UK are you based?