User:NE2/MD
- 2
Baltimore to Solomons
- 3
Baltimore to Rock Point (MD 257)
- 4
DC to Mt. Zion (MD 408)
- 5
DC to Point Lookout
- 6
La Plata to Newmarket
- from Riverside by 1933
(7-10 were skipped)
- 12
Salisbury to Stockton
- 14
Shiloh Church to East New Market
- from Eldorado by 1933 (since US 213 was realigned onto present MD 331)
- 16
Williston to Cambridge
- 17
Easton to Claiborne (MD 33)
- 18
Centerville to Stevensville
- to Love Point by 1933
- 19
Ingleside to Church Hill
- 20
Chestertown to Rock Hall, Sparrows Point to Baltimore
- 21
McCleans Corner to Tolchester Beach
- 22
Aberdeen to Belair
- 23
Hickory to PA
- 24
Forest Hill to PA (MD 165)
- to PA (MD 24) by 1933 (became MD 165)
- 25
Baltimore to Benson
- 26
Baltimore to Libertytown
- to Frederick by 1933 (replaced MD 31)
- 27
Ellicott City to DC (MD 108, MD 650, US 29)
- 28
Ashton (MD 108, MD 97) to Tuscarora
- 29
Westminster to Brink (MD 27)
- 30
Reisterstown to PA
- 31
Manchester (MD 27) to Frederick (MD 26)
- to Libertytown by 1933 (became MD 26)
- 32
West Friendship to PA (MD 140)
- 33
Knoxville (or Brunswick?) to Ellerton (MD 17)
- 34
Boonsboro to WV
- 35
Cumberland (MD 36) to PA
- 36
Corriganville to WV
- 37
Keyser to WV (US 219)
- 313
Galena to Eldorado
- to Mardela Springs by 1933 (since US 213 was realigned)
- 413
Westover to Crisfield