1. As an environmental measure, the DMRC conducts rainwater harvesting all along the route of the blue line.
2. There are no dustbins inside the metro stations, except for in and around some shops. Despite this fact, the metro stations are mostly quite clean.
3. The Delhi Metro network is expected to cover 295 kms carrying over 4 million daily passengers by 2016.
4. The escalators at the stations have a ‘sari guard’ feature which stops saris from getting tangled in the escalators.
5. The deepest point of the Delhi Metro lies 45 meters down – below the Rajiv Chowk station. It is the airport express, which carries 500,000 passengers per day.
6. An NGO, Salaam Balak Trust, runs an orphanage at Tis Hazari for the DMRC. It is aimed at helping street children have better futures.
7. The female announcer (in English) is voiced by Rini Simon, while the male announcer (in Hindi) is voiced by Shammi Narang.
8. In 2014, Delhi Metro was ranked the second most popular metro system globally. The first was New York.
9. The Delhi Metro is very disabled-friendly. The lifts have braille buttons; the lift buttons are placed low for wheelchair accessibility; colored paths help people go across stations.
10. The Rajiv Chowk metro station was not named after Rajiv Gandhi but Rajiv Goswami, a politically active student who protested against the Mandal Commission job reservation recommendations.
11. The UN certified the DMRC as the first metro and rail-based system that gets carbon credits for reducing greenhouse gas emissions. It reduces pollution levels of Delhi by 630,000 tonnes per year.
12. Unlike most public transport systems, the Delhi Metro has been making a profit despite rising costs of operation. It has risen from Rs 767.66 crore in 2011 to Rs 1062.48 in 2014.
13. The first extra-dossed bridge in India was constructed under the Delhi Metro project. It lies between Pragati Maidan and Indraprastha.
14. Phase 1 of the Metro was completed 3 years ahead of schedule.
15. On August 4, 2014, the Delhi Metro set a record by commuting 27.1 lakh passengers.
16. Meenakshi Sharma, Anjali Minz and Vibha Kumari were the first female train operators for the Delhi Metro. Now there are many more female operators.
17. Despite some glitches, it is one of the safest (and most popular) ways of commuting in Delhi.
18. Delhi Metro fares haven’t changed since 2009.
19. Every year, the metro carried 700 million passengers – that’s more than the population of the United States.
20. The Delhi Metro is punctual 99.7% of the time. That’s a major record.
21. Since operations began in 2002 to 2012, one metro car had travelled 3,03,85,779.55 kms. Roughly put, that car could have gone to the Moon and come back about 40 times.
Thanks to beebom and daily bhaskar for these amazing facts.