Mid-Coast Trolley construction began in fall 2016. To find out more about the construction process, check out our Construction Info brochure in English and en Español.
Overnight Closures of Southbound and Northbound I-5 Lanes: Beginning Wednesday, July 17, a full overnight closure of southbound I-5 lanes will be in place from the I-5/I-805 Interchange to La Jolla Colony Drive. Additionally, beginning Thursday, July 18, a full overnight closure of northbound I-5 lanes will be in place from SR 52 to La Jolla Village Drive. Closures will be in effect from 9:30 p.m. to 5 a.m. each night. Please take alternate routes to avoid potential congestion.
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Northbound I-5 Off-Ramp and Lane Closures at Balboa Avenue: A full closure of the northbound Interstate 5 off-ramp to Balboa Avenue is scheduled from midnight on Friday, July 12, to 11 a.m. on Saturday, July 13, as crews continue paving the newly widened off-ramp. During construction, one lane will be closed on eastbound Balboa Avenue/Garnet Avenue between Mission Bay Drive and Moraga Avenue. Additionally, one lane will be closed on northbound Interstate 5, between the Mission Bay Drive off-ramp and the Balboa Avenue off-ramp, from 3 a.m. to 9 a.m. on Saturday, July 13.
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Permanent Realignment of Rose Canyon Bike Path: In summer 2019, two sections of the Rose Canyon Bike Path will be relocated to the newly constructed permanent bike path. A portion of the temporary bike path that is now located on the shoulder of Interstate 5 will move to the newly constructed path by Monday, June 17. A second portion of the temporary bike path, now located along I-5 from north of Santa Fe Street to just north of SR-52, will move to the newly constructed path by Wednesday, July 3. Signs will be posted directing cyclists to the new permanent bike path. Please use caution when traveling near the work zone.
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Overnight Closures of Northbound I-5 Lanes: Beginning Tuesday, June 18, overnight closures will be in place on northbound Interstate 5 as crews remove falsework at Voigt Drive and install falsework south of Nobel Drive. Closures will be in effect on northbound I-5 from SR 52 to Genesee Avenue and will be scheduled from Tuesday, June 18, through Thursday, June 20, and again from Sunday, June 23, continuing to Friday, June 28, from 9:30 p.m. to 5 a.m. each night. Please take alternate routes to avoid potential congestion. Note: the northbound closures scheduled through June 28 were completed ahead of schedule on the morning of Tuesday, June 25. No further closures are scheduled for the remainder of the week.
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Olive Street TPSS Installation: On Wednesday, June 26, a second traction power substation (TPSS), which will provide power for the Trolley, will be installed at Olive Street, near the railroad right-of-way. Work is scheduled from 2 a.m. to 4 p.m. Parking and lane closures will be in place on Olive Street and Kettner Boulevard during installation.
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Santa Fe Street Parking Reductions: Within the next two weeks, crews will begin removing parking on the east side of Santa Fe Street, between Karl Strauss Brewing Company and Jaguar Coventry Cars of San Diego, in preparation for construction of the Rose Creek Bikeway. Work hours will generally be 7 a.m. to 5 p.m., but night and weekend work may also be required. Street parking will be permanently removed between 5959 Santa Fe Street and 5097 Santa Fe Street. A portion of the parking, between 5965 and 5985 Santa Fe Street, will be restored in 2020. Off-street parking will be maintained.
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Nobel Drive Closure: Starting Tuesday night, June 11, Nobel Drive will be closed for crews to pour concrete on the Trolley viaduct, or bridge, above Nobel Drive. A full closure will be in place on Nobel Drive, from the Interstate 5 off-ramp to the entrances of the Shops at La Jolla Village and La Jolla Village Square. Closure hours begin Tuesday night, June 11, at 10 p.m. and will continue through Wednesday morning, June 12, at 5 a.m. Please use caution and follow detour routes when traveling in the area.
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Overnight Closures of Southbound I-5 Lanes: Beginning Sunday, June 9, and continuing through Friday, June 28, temporary overnight closures will be in place on southbound Interstate 5 as crews remove falsework at Voigt Drive and install falsework south of Nobel Drive. Closures will be in effect on southbound I-5 from the I-5/I-805 Interchange to La Jolla Colony Drive and will be scheduled Sundays through Thursdays, from 9:30 p.m. to 5 a.m. each night. Please take alternate routes to avoid potential congestion. Additional closures on northbound I-5 will be required and notices will be provided at a later date.
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Friars Road Closures: A full nighttime closure of Friars Road between Sea World Drive and Napa Street is scheduled from Sunday, June 9, to Thursday, June 13, to accommodate construction of the San Diego River Bridge. Work hours will be 7 p.m. to 5 a.m. each night. Traffic controls and detours will be in place for motorists.
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Nobel Drive Closure: Starting Tuesday, May 7, at 10 p.m. and continuing through Wednesday, May 8, at 5 a.m., Nobel Drive will be closed from the I-5 off-ramp to the entrances of the Shops at La Jolla Village and La Jolla Village Square. During the closure, crews will pour concrete along the Trolley viaduct. On Tuesday, prior to the full closure, the southbound I-5 on-ramp will be reduced to one lane from 7 p.m. to 10 p.m. Please use caution and follow detour routes when traveling in the area.
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W. Morena Boulevard Lane Closures near Tecolote Road: On May 1 and May 2, a full, nighttime closure of northbound and southbound W. Morena Boulevard will be in effect from the northern junction of W. Morena Boulevard/Morena Boulevard to Vega Street, to accommodate utility work. Work and closure hours will be from 9 p.m. to 5 a.m. each night. Please follow the posted detour signs and traffic controls when traveling in the work area.
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Morena Boulevard Closure: On Tuesday, April 30, a nighttime full closure of northbound Morena Boulevard will be in place between Ingulf Street and Gesner Street. This closure is necessary to accommodate the delivery of a traction power substation (TPSS), which will provide power for the Trolley. Work and closure hours will be from 9 p.m. on Tuesday, April 30, through 5 a.m. on Wednesday, May 1. Please follow the posted detour signs and traffic controls when traveling near the work area.
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Santa Fe Street Parking Reductions: In April, crews will begin the permanent removal of parking on the west side of Santa Fe Street, between Karl Strauss Brewing Company (5965 Santa Fe Street) and Coventry Cars of San Diego (5097 Santa Fe Street), in preparation for construction of the Rose Creek Bikeway. Portions of Santa Fe Street will be intermittently reduced to a single lane to accommodate construction. Access to businesses will be maintained.
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Olive Street TPSS Installation: On Wednesday, April 17, a traction power substation (TPSS), which will provide power for the Trolley, will be installed at Olive Street, near the railroad right-of-way. Work is scheduled from 2 a.m. to 4 p.m. Parking and lane closures will be in place on Olive Street and Kettner Boulevard during installation.
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Overnight Closure of Interstate 5 Lanes: From 9:30 p.m. on Thursday, April 11, through 5 a.m. on Friday, April 12, temporary overnight closures will continue on Interstate 5 as crews pour concrete to build the bridge deck for the Trolley overpass at Voigt Drive. There will be a full closure of southbound lanes from the I-5/I-805 Interchange to La Jolla Village Drive. Two northbound lanes will be closed from La Jolla Village Drive to Genesee Avenue. Please take alternate routes to avoid potential congestion.
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Construction of Trolley Tunnel Underpass at La Jolla Colony Drive: Starting March 3, crews began construction of the Trolley underpass at La Jolla Colony Drive. To accommodate construction, lanes on La Jolla Colony Drive will be reconfigured to provide one lane in each direction. Construction is expected to be complete by late 2019. Some full weeknight and weekend closures may be required throughout construction, during which time, there will be no access to La Jolla Colony Drive from east of the Interstate 5 on- and off-ramps to Rosenda Court.
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Nobel Drive Closure: Starting early Saturday morning, March 9, Nobel Drive will be closed for crews to install falsework, the temporary structures used to support the Trolley bridge during construction. The closure will be in effect from the I-5 on-ramp to the entrances of Shops at La Jolla Village and La Jolla Village Square, and will take place from 12:01 a.m. on Saturday, March 9, through 12:01 a.m. on Sunday, March 10. Access to the shopping centers will be maintained.
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Overnight Closure of Southbound I-5 Lanes: From 9:30 p.m. on Thursday, February 28, through 5 a.m. on Friday, March 1, temporary overnight closures will continue on southbound Interstate 5 as crews pour concrete to build the bridge for the Trolley overpass at Voigt Drive. Closure will be in effect on SB I-5 from the I-5/I-805 Interchange to La Jolla Village Drive. Please take alternate routes to avoid potential congestion. UPDATE: In addition to the southbound closure, two northbound I-5 lanes will be closed from La Jolla Village Drive to Voigt Drive, also from 9 p.m. on Thursday, February 28, to 5 a.m. on Friday, March 1.
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Morena Boulevard Lane and Sidewalk Closures between Gesner Street and Jellett Street: Starting February 19, a sidewalk closure and traffic controls will be in effect on northbound Morena Boulevard to accommodate ongoing Mid-Coast Trolley construction activities. A single lane of northbound Morena Boulevard will be closed between Gesner Street and Jellett Street, along with the sidewalk at the southeast corner of the Morena Boulevard and Ingulf Street intersection. One lane of northbound traffic will remain open on Morena Boulevard, and access to businesses will be maintained at all times. Traffic control signs will be posted for construction zone safety.
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Northbound I-5 and Off-Ramp and Lane Closures at Balboa Avenue/Garnet Avenue and Grand Avenue/Garnet Avenue: As part of ongoing construction activities on the off-ramp, a full weekend closure of the I-5 off-ramp to Balboa Avenue/Garnet Avenue is scheduled from Friday, February 22, at 9 p.m. to Sunday, February 24, at 9 p.m. The off-ramp will be shifted to newly constructed pavement adjacent to the existing off-ramp. A single lane closure of the northbound I-5 from Grand Avenue/Garnet Avenue to Balboa Avenue/Garnet Avenue will also be required from Friday, February 22, at 8 p.m. to Sunday, February 24, at 3 a.m. Additionally, motorists can anticipate nighttime closures of eastbound Balboa Avenue/Garnet Avenue on Friday, February 22, and Saturday, February 23, from 9 p.m. to 7 a.m. each night. During the nighttime closures, one lane of eastbound traffic will be shifted to westbound Balboa Avenue/Garnet Avenue. Daytime single lane closures of eastbound Balboa Avenue/Garnet Avenue will also be in place Saturday, February 23, and Sunday, February 24, from 7 a.m. to 9 p.m. each day. Motorists that require access to the off-ramp will be detoured northbound on Mission Bay Drive to Balboa Avenue/Garnet Avenue. Off-ramp and roadwork construction activities will be completed in phases and intermittent nighttime and weekend closures of the northbound I-5 off-ramp to Balboa Avenue/Garnet Avenue will continue through summer 2019.
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Intermittent Partial Closures on Genesee Avenue: This February, intermittent partial closures continue along Genesee Avenue in support of Trolley bridge construction. Girders, or large beams, will be installed on top of columns to build the viaduct, or bridge structure, that will carry the Trolley along its route. Crews have now placed girders in five different major intersections along Genesee Avenue. Though girders will continue to be set along Genesee Avenue, all required long-term closures have been completed.
View a time-lapse video of the girders being installed.
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Balboa Avenue Railroad Bridge Demolition: Work to demolish the Balboa Avenue Railroad Bridge and construct a new railroad bridge began May 17 and will continue through early 2019. Construction of a railroad bridge spanning Balboa Avenue/Garnet Avenue is ongoing. To accommodate this work, lane and ramp closures, originally scheduled through October 2018, will be in place intermittently through early 2019. Work hours will be Sundays through Thursdays, 9 p.m. to 5 a.m. One lane each of westbound and eastbound traffic on Balboa Avenue/Garnet Avenue will remain open at all times. Motorists can expect the following intermittent traffic controls:
- Closures of westbound and eastbound Balboa Avenue/Garnet Avenue, from Interstate 5 to Moraga Avenue.
- Closures of north and south Morena Boulevard on- and off-ramps.
- Closure of the Balboa Avenue/Garnet Avenue off-ramp from northbound Interstate 5.
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Underground Systems Work: Through summer 2019, construction crews will continue intermittent nighttime work on underground communication and electrical systems for the Mid-Coast Trolley within the railroad right-of-way between Taylor Street in Old Town and Cedar Street in Downtown San Diego. Crews will generally move north to south and will work at each intersection for about one month at a time. General work hours will be Sundays through Thursdays, 9 p.m. to 5 a.m., and some day and weekend work may be required. For more information on each work location, please view the fliers below:
Lane Reductions on La Jolla Village Drive: Beginning Sunday, September 9, continuing through mid- to late 2019, eastbound and westbound lanes of La Jolla Village Drive will be temporarily reduced to two lanes, between Costa Verde Blvd. and Executive Way. Crews will be erecting falsework to prepare for girder installation activities.
Morena Boulevard Lane Closures near Tecolote Road: A nighttime closure of northbound and southbound W. Morena Boulevard, from the W. Morena Boulevard/Morena Boulevard split to Vega Street, will be in place starting the week of September 4 through early December 2018 to accommodate utility work. The closure will be in effect Sundays through Thursdays, from 9 p.m. to 5 a.m. Please follow the posted detour signs and traffic controls when traveling near the work area.
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