User:40bus/Interstate Highways/Interstate 370

Interstate 370 marker
Interstate 370
Route information
Auxiliary route of I-70
NHSEntire route
Major junctions
West endI-81A2 / WV 9 in Charles Town, WV
Major intersections
East end US 15 / US 40 in Frederick, MD
Location
CountryUnited States
StatesWest Virginia, Virginia, Maryland
CountiesWV: Jefferson
VA: Loudoun
MD: Washington, Frederick
Highway system

Major intersections

edit
StateCountyLocationmi[1][2][3]kmExitDestinationsNotes
West VirginiaJeffersonCharles Town9.0914.63 
 
WV 9 west – Martinsburg
 
 
WV 51 west (East Washington Street) – Charles Town
Northern end of WV 9 concurrency; eastern terminus of WV 51; interchange
Halltown12.0419.38 
 
WV 230 north – Halltown, Shepherdstown
Southern terminus of WV 230
Bolivar13.7622.14 
 
 
US 340 Alt. east (Washington Street) – Harpers Ferry
 16.03
0.00
25.80
0.00
West Virginia–Virginia state line
VirginiaLoudoun 
 
SR 671 south (Harpers Ferry Road)
Northern terminus of SR 671
Potomac River0.57
0.00
0.92
0.00
Virginia–Maryland state line
MarylandWashingtonWeverton1.562.51 
 
MD 67 north (Rohrersville Road) – Boonsboro
Trumpet interchange
FrederickKnoxville2.534.07 
 
 
 
MD 180 east (Jefferson Pike) to MD 478 – Knoxville, Brunswick
Eastbound exit and westbound left entrance; western end of freeway
4.397.07  MD 17 (Burkittsville Road) – Brunswick, Burkittsville
7.7712.50  MD 180 (Jefferson Pike) – Petersville
Jefferson8.9714.44  MD 180Westbound entrance only
10.5717.01Lander Road – Jefferson
12.3019.79 
 
US 15 south (Catoctin Mountain Highway) – Leesburg
Western end of US 15 concurrency; westbound left exit and eastbound entrance
Frederick13.9222.40Mt. Zion Road
15.5825.079Jefferson Technology ParkwayUnsigned MD 872G
16.3826.3610 
 
 
 
 
I-70 east (Eisenhower Memorial Highway) to I-270 south – Baltimore, Washington
Eastbound exit and westbound entrance; I-70 exit 52
16.6226.7511 
 
MD 180 west (Jefferson Pike) / Ballenger Creek Pike
No exit number westbound
17.0127.3712 
 
 
 
 
 
I-70 west (Eisenhower Memorial Highway) / US 15 north / US 40 west (Frederick Freeway) – Hagerstown, Gettysburg
Eastern end of US 15 concurrency; eastern terminus; partial cloverleaf interchange; signed as exits 12A (I-70) and 12B (US 15/US 40); I-70 exit 52A
Jefferson StreetContinuation beyond Frederick Freeway
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  1. ^ Cite error: The named reference VDOT Traffic Data was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference WVDOT Milepoint Map was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Maryland HLR was invoked but never defined (see the help page).