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.
Completed Activities
Closures of La Jolla Village Drive Overpass: On Thursday, December 5, overnight closures will be in place on the eastbound and westbound lanes of the La Jolla Village Drive overpass above Interstate 5, as crews pour concrete for the Trolley bridge. Both northbound and southbound loop on-ramps to I-5 from La Jolla Village Drive will also be closed. Work and closure hours will be from 10 p.m. to 5 a.m. Please take alternate routes to avoid potential congestion.
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Closures of La Jolla Village Drive Overpass: On Monday, November 25, overnight closures will be in place on the eastbound and westbound lanes of the La Jolla Village Drive overpass above I-5, as crews pour concrete for the Trolley bridge. Both northbound and southbound loop on-ramps to I-5 from La Jolla Village Drive will also be closed. Work and closure hours will be from 10 p.m. to 5 a.m. Please take alternate routes to avoid potential congestion.
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Overnight Closures of I-5: On Monday, November 18, a full closure of northbound I-5 lanes will be in place from SR 52 to La Jolla Village Drive, from 11 p.m. to 5 a.m. Southbound I-5, from La Jolla Village Drive to Gilman Drive/La Jolla Colony Drive, will be reduced to two lanes of traffic from 9 p.m. to 5 a.m. These closures are necessary to accommodate crews as they pour concrete for the Trolley overcrossing south of Nobel Drive. Please take alternate routes to avoid potential congestion.
Friars Road Closure: On Thursday, November 14, a full closure of eastbound and westbound Friars Road will be in place from Sea World Drive to Napa Street, from 7 p.m. to 5 a.m. This closure is necessary to accommodate the removal of falsework from the San Diego River Bridge. Please take alternate routes to avoid potential congestion.
Impacts to Nobel Drive: Starting September 3, traffic controls and lane closures will be in place as crews perform driveway improvement construction activities along Nobel Drive, between Villa La Jolla Drive and Interstate 5. Work hours are scheduled Sunday through Thursday, from 9 p.m. to 5 a.m. Daytime work may be required. Driveway access will be maintained at all times. Please heed all traffic signs and use caution when traveling near the work area.
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Closures of La Jolla Village Drive Overpass: On October 14, overnight closures will be in place on the eastbound and westbound lanes of the La Jolla Village Drive overpass above Interstate 5, as crews perform construction activities for the Trolley overcrossing. Both northbound and southbound on-ramps to I-5 from La Jolla Village Drive will also be closed. Work and closure hours will be from 10 p.m. to 5 a.m. Please take alternate routes to avoid potential congestion.
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Overnight Closure of Northbound I-5 Lanes: On Tuesday, October 8, a full overnight closure of northbound Interstate 5 lanes will be in place from SR 52 to La Jolla Village Drive. The closure will be in effect from 9:30 p.m. to 5 a.m. Please take alternate routes to avoid potential congestion.
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Morena Boulevard Construction Activities: On Saturday, October 5, crews will be pouring concrete for the ramps at the future Clairemont Drive Trolley station. Work hours will be from 5 a.m. to 9 a.m. Northbound and southbound Morena Boulevard will remain open. Flaggers will be present to direct trucks in to and out of the construction site. The use of concrete trucks may cause moderate noise levels. Please use caution when driving near the work area.
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Olive Street TPSS Installation: Starting Monday, September 30, and continuing through Friday, October 4, crews will be pouring concrete to finalize the installation of the new traction power substation (TPSS) at Olive Street, near the railroad right-of-way. Parking restrictions, a lane closure, and a sidewalk closure will be in place on Olive Street between 7 a.m. and 3 p.m. each day. Access to businesses and residences will be maintained at all times.
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Full Closures of Southbound I-5 Lanes: Beginning Tuesday, October 1, full closures of southbound I-5 lanes will be in place from the I-5/I-805 Interchange to La Jolla Colony Drive. On Tuesday, October 1, the closure will be in effect from 12 a.m. to 5 a.m. On Wednesday, October 2, the closure will begin at 9:30 p.m. and continue through 5 a.m. on Thursday, October 3. Please take alternate routes to avoid potential congestion.
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Lane Closures on Morena Boulevard: The closures originally scheduled to begin on Monday, September 16, have been postponed to the following week. Now beginning Monday, September 23, and continuing through Thursday, September 26, a full closure will be in place on southbound Morena Boulevard, between Gesner Street and Ingulf Street, from 9 p.m. to 5 a.m. each night. Crews will be pouring concrete for the platform at Clairemont Station. Please expect some noise from concrete trucks. Traffic controls will be in place. Please follow detour signs and use caution when traveling in the area.
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Train Control System Upgrade: Beginning the evening of Friday, September 20, full weekend lane reductions will be in place across the railway tracks at Taylor Street as crews upgrade the train control system from the Santa Fe Depot to the Old Town Transit Center Station. Work and lane reductions will be in effect from 9 p.m. on Friday, September 20, through 5 a.m. on Monday, September 23. Flaggers will be present and traffic controls will be in place. Lane reductions will not be in place at Noell Street, as previously planned.
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Train Control System Upgrade: Beginning Friday, September 6, street closures and lane reductions will be in place on Noell Street, Taylor Street, and Washington Street as crews upgrade the train control system from the Santa Fe Depot to the Old Town Transit Center Station. Overnight full closures across the railway tracks at Noell Street are scheduled from Friday, September 6, through Sunday, September 8, from 9 p.m. to 5 a.m. each night. Full weekend lane reductions across the railway tracks at Taylor Street and Washington Street are scheduled from 9 p.m. on Friday, September 6, through 5 a.m. on Monday, September 9. Flaggers will be present and traffic controls will be in place.
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Nobel Drive Closure: Starting Wednesday night, September 4, 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 Wednesday night, September 4 at 10 p.m., and will continue through Thursday morning, September 5 at 5 a.m. There will also be a closure of the southbound I-5 on-ramp from Nobel Drive beginning at 7 p.m. on Wednesday, September 4. Please use caution and follow detour routes when traveling in the area.
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Olive Street TPSS Installation: Starting Monday, August 5, crews will begin installing underground electrical conduit systems to connect and activate the traction power substation (TPSS) at Olive Street, near the railroad right-of-way. For approximately two weeks, parking restrictions will be in place on Olive Street between 7 a.m. and 5 p.m. each day, and a lane closure and sidewalk closure will be in place on Olive Street and Kettner Boulevard between 9 p.m. to 5 a.m. each night. Access to businesses and residences will be maintained at all times.
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Train Control System Upgrade: Beginning Friday, August 2, street closures and lane reductions will be in place on Noell Street, Palm Street, Washington Street, and Sassafras Street as crews upgrade the train control system from the Santa Fe Depot to the Old Town Transit Center Station. Overnight full closures across the railway tracks at Noell Street and Palm Street are scheduled from Friday, August 2, through Sunday, August 4, from 9 p.m. to 5 a.m. each night. Full weekend lane reductions across the railway tracks at Washington Street and Sassafras Street are scheduled from Friday, August 2, at 9 p.m. through Monday, August 5, at 5 a.m. Flaggers will be present and traffic controls will be in place.
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La Jolla Village Drive Overpass Closures: Beginning Wednesday, July 24, closures will be in place on the eastbound and westbound lanes of the La Jolla Village Drive overpass above Interstate 5, for crews to remove falsework from the Trolley overcrossing. Both loop on-ramps to I-5 from La Jolla Village Drive will also be closed. Closures are scheduled from Wednesday, July 24, through Thursday, July 25, and will continue from Sunday, July 28, through Thursday, August 1. Work and closure hours will be from 10 p.m. to 5 a.m. each night. Please take alternate routes to avoid potential congestion.
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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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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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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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