The bright Red San Diego Trolley is actually an above-ground light rail with four routes:
Blue Line is 15.4 miles long with 18 stations. This line operates from the San Ysidro Transit Center through South County communities to American Plaza via the Center City corridor. Orange Line is 18.0 miles long with 19 stations. This line operates from the El Cajon Transit Center through East County communities to the Santa Fe Depot via the Center City corridor. Green Line is 23.6 miles long with 27 stations. This line operates from Santee Transit Center via San Diego State University, Qualcomm Stadium and Mission Valley to 12th and Imperial Transit Center via the bayside corridor. Siver Line is 2.7 miles long with 9 stations. This line operates on a limited basis on the downtown loop, from 12th & Imperial Transit Center along the bayside to C Street and Park Blvd.Regular one-way fare is $2.50. Unlimited use Day Pass is $5.00 with Compass Card. Adult Regional Monthly or 30-day Pass is $72.
Note: See detailed fare table below for more information
| Adult | Senior/ Disabled/ Medicare | |
| MTS Trolley | $2.50 | $1.25 |
| MTS Bus | $2.25 | $1.10 |
| MTS Rapid (Route 215) |
$2.25 | $1.10 |
| MTS Rapid (Routes 235, 237) |
$2.50 | $1.25 |
| MTS Express (Routes 20, 50, 60, 110, 150, 870, 950) |
$2.50 | $1.25 |
| MTS Rapid Express/Premium (Routes 280, 290) |
$5 | $2.50 |
| MTS Rural (Routes 888, 891, 892, 894) |
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| MTS Sorrento Valley COASTER Connection (Routes 972, 973, 978, 979) |
Free | Free |
| MTS Access (ADA Paratransit) |
— | $4.50 |
From the Airport:
From Terminals 1 and 2, take City Bus Route 992 to the Broadway and Kettner Blvd bus stop in downtown San Diego. From there the Orange and Blue Lines can be accessed from the America Plaza Station (corner of Broadway and Kettner Blvd.) or the Green Line can be accessed from the Santa Fe Depot Station on Kettner Blvd.
