Metropolitan Transit System · San Diego

Metropolitan Transit System (San Diego MTS) operates 99 routes (4 light rail, 95 bus) in San Diego with 2,915 stops and connects with NCTD.

Routes and weekday frequency

Weekday midday frequency, by route

3 ≤10 min
28 11–15
8 16–20
31 21–30
19 31–60
2 60+
8 no midday

Each route is judged by its slower direction. A dash means no sustained service in that period.

Light rail routes (4)
Route	AM peak	Midday	PM peak	Evening	Overnight
Blue San Ysidro - UTC	every 7 min	every 7 min	every 7 min	every 8 min	every 7 min
Copper Santee - El Cajon	every 15 min	every 15 min	every 15 min	every 15 min	every 15 min
Green El Cajon - 12th & Imperial	every 15 min	every 15 min	every 15 min	every 15 min	every 15 min
Orange El Cajon - Courthouse	every 15 min	every 15 min	every 15 min	every 15 min	every 15 min

Bus routes (95)
Route	AM peak	Midday	PM peak	Evening	Overnight
1 Fashion Valley - La Mesa	every 15 min	every 15 min	every 15 min	every 23 min	Limited
2 Downtown San Diego - 30th & Adams	every 15 min	every 15 min	every 15 min	every 15 min	every 30 min
3 UCSD Hospital - Euclid Transit Center	every 14 min	every 12 min	every 12 min	every 28 min	Limited
4 12th & Imperial Trolley - Lomita Village	every 32 min	every 30 min	every 30 min	every 30 min	every 29 min
5 Downtown San Diego - Euclid Transit Center	every 15 min	every 15 min	every 15 min	every 30 min	Limited
6 North Park - Fashion Valley	every 21 min	every 30 min	every 20 min	every 29 min	Limited
7 Downtown San Diego - University/College	every 12 min	every 12 min	every 12 min	every 13 min	every 16 min
8 Old Town - Balboa Av Tc	every 21 min	every 15 min	every 15 min	every 25 min	Limited
9 Old Town - Jewell & Garnet	every 30 min	every 30 min	every 20 min	every 30 min	—
10 Old Town - University/College	every 16 min	every 15 min	every 15 min	every 15 min	—
11 Sdsu - Downtown San Diego	every 20 min	every 20 min	every 20 min	every 30 min	Limited
12 12th & Imperial - Skyline Hills	every 15 min	every 15 min	every 15 min	every 22 min	every 15 min
13 Kaiser Hospital - 24th St Transit Center	every 13 min	every 12 min	every 12 min	every 28 min	every 15 min
14 Grantville Trolley - Baltimore & Lake Murray	Limited	every 60 min	every 60 min	Limited	—
18 Grantville Trlly via Camino Del Rio	every 30 min	every 30 min	every 30 min	—	—
20 Downtown - Rancho Bernardo Transit Station	every 31 min	every 30 min	every 30 min	every 29 min	—
25 Fashion Valley - Kearny Mesa Tc	every 60 min	every 60 min	every 60 min	—	—
27 Pacific Beach - Kearny Mesa Transit Center	every 30 min	every 30 min	every 30 min	every 30 min	—
28 Old Town T.C. - Shelter Island	every 15 min	every 30 min	every 15 min	every 30 min	Limited
30 Old Town - UTC via Pacific Beach	every 15 min	every 15 min	every 15 min	every 15 min	Limited
31 UTC - Mira Mesa	Limited	Limited	Limited	—	—
35 Ocean Beach - Old Town	every 20 min	every 20 min	every 15 min	every 30 min	Limited
41 Fashion Valley - UCSD	every 15 min	every 15 min	every 15 min	every 29 min	Limited
43 Balboa Av Tc - Kearny Mesa	every 15 min	every 20 min	every 15 min	every 30 min	every 30 min
44 Old Town - Kearny Mesa	every 15 min	every 15 min	every 15 min	every 28 min	every 30 min
60 Euclid Av Transit Center - UTC via Convoy	every 18 min	—	Limited	Limited	Limited
83 Downtown San Diego - Old Town	every 70 min	every 70 min	every 75 min	—	—
84 Point Loma Shuttle	every 52 min	every 60 min	every 60 min	—	—
88 Old Town - Hotel Circle	every 30 min	every 30 min	every 30 min	every 30 min	—
105 Old Town - University City	every 29 min	every 30 min	every 30 min	every 60 min	Limited
115 El Cajon T.C. - Sdsu T.C.	every 30 min	every 30 min	every 30 min	every 58 min	—
120 Downtown San Diego - Kearny Mesa Transit Center	every 32 min	every 30 min	every 30 min	every 29 min	Limited
201 Super Loop - Counterclockwise	every 10 min	every 10 min	every 10 min	every 15 min	Limited
202 Super Loop - Clockwise	every 10 min	every 10 min	every 10 min	every 15 min	Limited
204 Super Loop - Judicial Dr.	every 30 min	every 30 min	every 30 min	every 30 min	—
215 Mid-City Rapid	every 13 min	every 12 min	every 12 min	every 15 min	every 16 min
225 Downtown - Otay Mesa Tc	every 20 min	every 30 min	every 20 min	every 29 min	Limited
227 Imperial Beach - Otay Mesa Tc	every 10 min	every 15 min	every 10 min	every 15 min	every 12 min
235 Downtown - Escondido Transit Center	every 15 min	every 15 min	every 15 min	every 22 min	every 15 min
237 Miramar College Transit Station - UCSD	Limited	Limited	Limited	every 30 min	—
280 Escondido Transit Center - Downtown	Limited	Limited	Limited	Limited	Limited
290 Sabre Springs Station - Downtown	Limited	—	Limited	—	—
701 H St Transit Center - Palomar St Tc via Hilltop Dr	every 20 min	every 20 min	every 21 min	every 44 min	—
704 E St Transit Center - Palomar Transit Center	every 30 min	every 30 min	every 30 min	every 58 min	Limited
705 E St Transit Center - Plaza Bonita	every 30 min	every 30 min	every 30 min	every 48 min	—
707 Otay Ranch Town Center - Southwestern College	every 30 min	every 52 min	every 30 min	Limited	—
709 H St Transit Center - Otay Ranch Town Center	every 15 min	every 15 min	every 15 min	every 30 min	Limited
712 Palomar Transit Center - Southwestern College	every 15 min	every 20 min	every 15 min	every 29 min	Limited
815 El Cajon Transit Center - East Main St	every 20 min	every 20 min	every 15 min	every 30 min	Limited
816 El Cajon Tc - Cuyamaca College	every 30 min	every 30 min	every 30 min	Limited	—
832 Santee Center - Ne Santee Loop Clockwise	every 44 min	every 59 min	every 50 min	Limited	Limited
833 Santee Center - Parkway Plaza	every 54 min	every 45 min	every 45 min	—	—
834 West Santee Loop	every 68 min	every 60 min	every 60 min	—	—
838 East County Square - Viejas	every 61 min	every 60 min	every 60 min	Limited	Limited
848 El Cajon - Lakeside	every 30 min	every 30 min	every 30 min	every 56 min	Limited
851 Spring Valley - La Mesa	every 60 min	every 60 min	every 60 min	Limited	Limited
852 University & 54th - Grossmont Transit Ctr	every 30 min	every 30 min	every 30 min	every 30 min	Limited
854 Grossmont Transit Ctr -- Grossmont College	every 59 min	every 30 min	every 30 min	every 45 min	—
855 Rancho San Diego - La Mesa	every 30 min	every 30 min	every 30 min	every 59 min	Limited
856 Sdsu - Cuyamaca College	every 31 min	every 30 min	every 30 min	every 30 min	every 30 min
864 El Cajon - East County Sq	every 30 min	every 30 min	every 30 min	every 59 min	Limited
872 El Cajon Shuttle Loop Counterclockwise	every 45 min	every 45 min	every 45 min	Limited	Limited
874 El Cajon Eastside Shuttle Clockwise	every 17 min	every 30 min	every 30 min	Limited	Limited
875 El Cajon Eastside Shuttle Counterclockwise	every 30 min	every 30 min	every 30 min	every 64 min	Limited
894 Morena/Campo - El Cajon	Limited	Limited	Limited	—	—
901 Iris Transit Center - Downtown	every 21 min	every 30 min	every 19 min	every 33 min	Limited
904 Coronado Shuttle	—	every 60 min	every 59 min	—	—
905 Iris Transit Center - Otay Mesa Transit Center	every 16 min	every 30 min	every 15 min	every 30 min	every 35 min
906 Iris Transit Center - San Ysidro Clockwise	every 15 min	every 15 min	every 15 min	every 27 min	every 20 min
907 Iris Transit Center - San Ysidro Counterclockwise	every 17 min	every 15 min	every 15 min	every 30 min	every 30 min
909 Otay Mesa Transit Center - Swc at Otay Mesa	every 65 min	every 60 min	every 57 min	Limited	Limited
910 Downtown - San Ysidro (OWL Service)	—	—	—	—	Limited
916 Oak Park-Emerald Hills Loop Cw	Limited	every 60 min	every 60 min	every 57 min	Limited
917 Oak Park-Emerald Hills Loop Ccw	Limited	every 60 min	every 60 min	every 60 min	Limited
921 UTC - Miramar College Transit Station	every 30 min	every 30 min	every 30 min	every 31 min	Limited
923 Downtown to Point Loma	every 32 min	every 30 min	every 30 min	Limited	Limited
928 Fashion Valley - Kearny Mesa	every 32 min	every 30 min	every 30 min	Limited	Limited
929 12th & Imperial - Iris Transit Center	every 15 min	every 15 min	every 15 min	every 28 min	Limited
932 Iris Transit Center - 8th St. Transit Center	every 15 min	every 15 min	every 15 min	every 28 min	Limited
933 Iris Tc Loop - Imperial Beach Counterclock	every 17 min	every 15 min	every 15 min	every 27 min	Limited
934 Iris Tc Loop - Imperial Beach Clockwise	every 18 min	every 15 min	every 15 min	every 29 min	Limited
936 Spring Valley - Sdsu	every 30 min	every 30 min	every 30 min	every 30 min	Limited
944 Sabre Springs Station - Poway	Limited	Limited	every 30 min	Limited	Limited
945 Rancho Bernardo Station - Poway	every 56 min	every 30 min	every 30 min	every 34 min	—
955 National City - San Diego State University	every 16 min	every 15 min	every 15 min	every 25 min	Limited
961 24th St Transit Center - Encanto Trolley	every 15 min	every 15 min	every 15 min	every 30 min	Limited
962 8th St Transit Center - Spring Valley	every 20 min	every 20 min	every 15 min	every 40 min	Limited
963 8th St Transit Center - Paradise Hills	every 30 min	every 45 min	every 30 min	every 44 min	Limited
964 Mira Mesa - Alliant University via McTs	every 30 min	every 60 min	every 30 min	every 31 min	—
965 City Heights Shuttle	every 45 min	every 45 min	every 45 min	Limited	Limited
967 24th St Transit Center - Division & Ava	every 60 min	every 60 min	every 60 min	Limited	—
968 8th St Transit Center - Plaza Bonita	every 67 min	every 66 min	every 65 min	every 63 min	Limited
985 UCSD Central Campus Station - Torrey Pines	every 30 min	every 60 min	every 30 min	Limited	—
992 Airport/Downtown Shuttle	every 15 min	every 15 min	every 15 min	every 15 min	every 15 min
Old Town to Airport Shuttle	every 20 min	every 20 min	every 20 min	every 20 min	every 20 min

Nearby agencies in the San Diego area

North County Transit District (NCTD)

Scheduled service, not live arrivals. Schedule refreshed Oct 12, 2026, valid through Jan 30, 2027. Atlas data release Oct 13, 2026. Official site: Metropolitan Transit System (San Diego MTS).