Interstate 495 (Capital Beltway)

#		Destinations	Notes
Old
Maryland |-				38	2B	Interstate 295 north - Washington, DC
38	2A	Maryland Route 210 south - Indian Head	outer exit only
37	3	Maryland Route 210 - Indian Head Highway; Indian Head; Forest Heights	split into 3A (south) and 3B (north)
37A	4	Maryland Route 414 - St. Barnabas Road; Oxon Hill; Marlow Heights	split into 4A (west) and 4B (east)
36	7	Maryland Route 5 - Branch Avenue; Waldorf; Silver Hill	split into 7A (south) and 7B (north)
35	9	Maryland Route 337 - Allentown Road; Andrews AFB; Morningside
34	11	Maryland Route 4 - Pennsylvania Avenue; Upper Marlboro; Washington, DC	split into 11A (south/east) and 11B (north/west)
13	Ritchie-Marlboro Road - Upper Marlboro; Capitol Heights
33	15	Maryland Route 214 - Central Avenue; Largo; Seat Pleasant	split into 15A (east) and 15B (west)
16	Arena Drive
32	17	Maryland Route 202 - Landover Road; Upper Marlboro; Bladensburg	split into 17A (east) and 17B (west)
31	19	U.S. Route 50 - Annapolis; Washington, DC (Interstate 595 east)	split into 19A (east) and 19B (west)
30	20	Maryland Route 450 - Annapolis Road; Lanham; Bladensburg	split into 20A (east) and 20B (west)
29	22	Baltimore/Washington Parkway - Baltimore; Washington, DC (Maryland Route 295)	split into 22A (north) and 22B (south)
28	23	Maryland Route 201 - Kenilworth Avenue; Bladensburg; Greenbelt
27	25	U.S. Route 1 - Baltimore Avenue; Laurel; College Park	split into 25A (north) and 25B (south) on inner loop
26	27	Interstate 95 north - Baltimore	I-95 joins inner loop and leaves outer loop; exit number signed only on inner loop
25	28	Maryland Route 650 - New Hampshire Avenue; Takoma Park; White Oak	split into 28A (north) and 28B (south)
24	29A	Maryland Route 193 west - University Boulevard; Wheaton	outer exit and inner entrance
24	29B	Maryland Route 193 east - University Boulevard; Langley Park	exit 29 on inner loop
23	30A	U.S. Route 29 north - Colesville Road; Columbia	inner exit and outer entrance
23	30B	U.S. Route 29 south - Colesville Road; Silver Spring	exit 30 on outer loop
21	31	Maryland Route 97 - Georgia Avenue; Silver Spring; Wheaton	split into 31A (north) and 31B (south) on inner loop
20	33	Maryland Route 185 - Connecticut Avenue; Chevy Chase; Kensington
19	34	Maryland Route 355 - Wisconsin Avenue; Bethesda; Rockville
19	35	Interstate 270 north - Frederick	outer exit and inner entrance
18	36	Maryland Route 187 - Old Georgetown Road; Bethesda; Rockville
17	38	Interstate 270 north - Rockville; Frederick (Interstate 270 Spur)	inner exit and outer entrance
16	39	Maryland Route 190 - River Road; Washington, DC; Potomac
16	40	Cabin John Parkway - Glen Echo	outer exit and inner entrance
15	41	Carderock; Great Falls (Clara Barton Parkway north)	outer exit and inner entrance
15	41	Clara Barton Parkway - Carderock; Glen Echo	inner exit and outer entrance
American Legion Bridge
Virginia |-				14	43	George Washington Memorial Parkway - Washington, DC
13	44	Route 193 - Georgetown Pike; Langley; Great Falls
12	45A	Route 267 west - Dulles Airport	exit 45 on inner loop
12	45B	to Interstate 66 east - Washington, DC (Route 267 east)	outer exit and inner entrance
11	46	Route 123 - Chain Bridge Road; Tysons Corner; Vienna; McLean	split into 46A (south) and 46B (north)
10	47	Route 7 - Leesburg Pike; Tysons Corner; Falls Church	split into 47A (west) and 47B (east)
9	49A-C	Interstate 66 west - Manassas; Front Royal	exit 49 on outer loop; two exits on inner loop - 49A (right exit) and 49C (left exit)
9	49B	Interstate 66 east - Washington, DC	inner exit and outer entrance
8	50	U.S. Route 50 to U.S. Route 29 - Arlington Boulevard to Lee Highway; Fairfax; Arlington	split into 50A (west) and 50B (east)
7	51	Route 650 - Gallows Road
6	52	Route 236 - Little River Turnpike; Annandale; Fairfax	split into 52A (west) and 52B (east)
5	54	Route 620 - Braddock Road	split into 54A (west) and 54B (east)
4C	57A	Interstate 95 south - Richmond	I-95 joins outer loop and leaves inner loop; exit number is signed on outer loop only
4B	57B 170B	Interstate 395 north - Washington, DC
3	173	Route 613 - Van Dorn Street; Franconia (Route 401)
3A	174	Eisenhower Avenue Connector - Alexandria
2	176	Route 241 - Telegraph Road; Alexandria	split into 176A (south) and 176B (north)
1	177	U.S. Route 1 - Fort Belvoir; Alexandria; Mount Vernon; Old Town Alexandria	split into 177A (south) and 177B (north)
Woodrow Wilson Bridge

See also

*Inner Loop, a partly-built downtown loop
*Washington Outer Beltway, a planned loop outside the Beltway
*Intercounty Connector, a piece of the Outer Beltway

External links

*Official Study Website published by the Maryland State Highway Adminsitration
*Capital Beltway page at roadsofthefuture.com
*Steve Anderson's DCroads.net: Capital Beltway (I-495 and I-95)
*"Memory Lanes": 40th anniversary of the Beltway's opening (Washington Post)