Signal Box Locations
1.  Arlington & Edgemoor (Artist, Francis Sullivan)
2.  Arlington & Elm (Artist, Sora Walker)
3.  Bradley & Arlington (Artist, Amy Kaslow)
4.  Old Georgetown & Edgemoor (Artist, Jonathan Monaghan)
5.  St. Elmo & Norfolk (Artist, Nick Zimbro)
6.  Wisconsin & East-West Highway (Artist, Nico Borelli)
7.  Wisconsin & Leland (Artist, Michelle Herman)
8.  Wisconsin & Montgomery (Artist, Lea Craigie-Marshall)
9.  Wisconsin & Willow (Artist, Rashad Ali Muhammad)
10. Woodmont & Bethesda (Artist, Alexis Limpiado)
11. Woodmont & Cordell (Artist, Adrian Loving)
12. Woodmont & Montgomery (Artist, Rosa Cruglez)
13. Woodmont & Norfolk (Artist, Liliane Blom)
14. Woodmont & Old Georgetown (Artist, Rodrigo Pradel)
15. Woodmont & St. Elmo (Artist, Ellen Byrne)