- WMATA railcar 4021 at Montgomery County Public Safety Training Academy
- WMATA collector shoe assembly
- WMATA coupler assembly [02]
- WMATA railcar 4020 at Montgomery County Public Safety Training Academy [03]
- WMATA coupler assembly [01]
- WMATA railcar 4020 at Montgomery County Public Safety Training Academy [02]
- WMATA railcar 4020 at Montgomery County Public Safety Training Academy [01]