The Red Line is a rapid transit line of the Washington Metro system, consisting of 27 stations in Montgomery County, Maryland, and Washington, D.C., in the United States. It is a primary line through downtown Washington and the oldest and busiest line in the system. It forms a long, narrow "U," capped by its terminal stations at Shady Grove and Glenmont. Stations list: 1. Shady Grove is the northwestern terminus of the Red Line. 2. Rockville provides connects to Amtrak and MARC Trains. 3. Twinbrook 4. North Bethesda 5. Grosvenor-Strathmore 6. Medical Center 7. Bethesda 8. Friendship Heights 9. Tenleytown-AU serves American University. 10. Van Ness-UDC serves the University of the District of Columbia. 11. Cleveland Park serves the National Cathedral. 12. Woodley Park-Zoo/Adams Morgan serves the National Zoo. 13. Dupont Circle 14. Farragut North 15. Metro Center provides a transfer to the Blue , Orange and Silver Lines on the lower level. 16. Gallery Place-Chinatown provides a transfer to the Green and Yellow Lines on the lower level. 17. Judiciary Square 18. Union Station provides connections to Amtrak, MARC and the Virginia Railway Express trains. 19. NoMa-Gallaudet U 20. Rhode Island Avenue-Brentwood 21. Brookland-CUA serves the Catholic University of America. 22. Fort Totten provides a transfer to the Green Line on the lower level. 23. Takoma 24. Silver Spring provides connections to MARC Trains. 25. Forest Glen 26. Wheaton 27 Glenmont is the northeastern terminus of the Red Line. Termini Shady Grove Glenmont Stations 27 System Washington Metro Rolling Stock Alstom 6000 Series Line length 31.9 mi (51.3 km) Track gauge 4 ft 8+1/4 in ( 1,429 mm) Electrification Third rail, 750 V DC
If it has significant underground stations then unlikely as DTG have admitted to struggling with light baking in TSW. The other big if would be licensing or access for research, if the operator decided they don’t want their infrastructure and train systems replicated in a game for security reasons. And yes, OP, you would get your premise over much better using some punctuation and paragraphs (not wanting to be the grammar police here ).