The graph below shows the number of passenger railway journeys made in Great Britain between 1950 and 2004 5 Summarize the information by selecting and reporting the main features and make comparisons where relevant

The chart provides information on the amount of commercial railway trips made in Great Britain from 1950 to May 2004.
Overall, we can see that the trends of National Rail Network, London Underground, and Light Rail & Metro Systems were upward in the given period.
Starting at 1,000 million journeys in 1950, National Nail Network witnessed a moderate rise in commercial railway trips of roundly 120 million trips in the last half of the 1950s before going down significantly to around 625 million in the early 1980s. However, it climbed rapidly to approximately 1,120 million ones in May 2000.
Regarding London Underground, there was a minimal oscillation around 680 million journeys during the 1950s and the 1970s. After declining moderately to just under 500 million ones, it went up considerably to about 950 million ones over the next 20 years. The figure of Light Rail & Metro Systems saw a gradual increase of roundly 180 million ones throughout the given period.