Proposed Grade Separations (4)
| Full Interchange Improvement (Study Required) |
| Partial Interchange Improvement |
| Proposed Highway Overpass |
| Proposed Highway Underpass |
Proposed Transit Points (1)
| Metro Station |
| Park & Ride |
| Rail Station |
| Bus Station |
| Transit Transfer Station (No Parking) |
| Existing Transit Point |
HOV/HOT Lanes (5)
| Existing HOV |
| Proposed HOV |
| Existing HOT |
| Proposed HOT |
Proposed Rail Improvements (3)
| Columbia Pike, LRTBRT |
| I-66 Corridor Extension, Metrorail |
| Richmond Hwy, LRTBRT |
| Richmond Hwy, Metrorail |
Proposed Road Improvements (2)
| Construct Cul-de-Sac |
| Construct New Arterial |
| Construct New Collector |
| Widen/Improve Arterial |
| Widen/Improve Collector |
| Construct/Improve Local Street |
Proposed Road Improvements (12)
|
| Construct Cul-de-Sac |
|
| Construct New Arterial |
|
| Construct New Collector |
|
| Widen/Improve Arterial |
|
| Widen/Improve Collector |
Enhanced Public Transportation Corridor (0)
|
