Tri Delta Transit
@trideltatransit.bsky.social
Tri Delta Transit provides public transportation in Eastern Contra Costa County, California. Visit us online at trideltatransit.com. See you on the bus!
Reposted by Tri Delta Transit
ANTIOCH BRIDGE CLOSED THIS WEEKEND: Due to emergency sinkhole repairs, the Antioch Bridge will be closed from 10pm Friday (11/21) through 5am Monday (11/24). Plan travel accordingly. See map below for detour information and full closure area. @ccta.net
November 21, 2025 at 11:16 PM
ANTIOCH BRIDGE CLOSED THIS WEEKEND: Due to emergency sinkhole repairs, the Antioch Bridge will be closed from 10pm Friday (11/21) through 5am Monday (11/24). Plan travel accordingly. See map below for detour information and full closure area. @ccta.net
When you ride with Tri Delta Transit you can enter to win $511 in Big Win on Transit's weekly drawings. The more days you ride, the more chances to win. Details: https://:511cc.org/bigwin
Your next bus, BART, or Ferry trip could be worth $511. Take it from Shanavia – our latest winner. She signed up for our Big Win on Transit program and logged her transit days to turn them into drawing entries. We pick a new $511 winner each week. Will you be next? Get started: 511cc.org/bigwin
November 19, 2025 at 8:22 PM
When you ride with Tri Delta Transit you can enter to win $511 in Big Win on Transit's weekly drawings. The more days you ride, the more chances to win. Details: https://:511cc.org/bigwin
ONLY A FEW DAYS LEFT TO ENTER!
Tri Delta Transit is excited to announce our STUDENT COVER ART CONTEST to design our January 11, 2026 printed schedule cover.
For a complete guide, application and waiver, visit our website at: trideltatransit.com/january-sche....
Tri Delta Transit is excited to announce our STUDENT COVER ART CONTEST to design our January 11, 2026 printed schedule cover.
For a complete guide, application and waiver, visit our website at: trideltatransit.com/january-sche....
January Schedule Student Cover Art Contest -
January Schedule Student Cover Art Contest - Thank you for your interest in Tri Delta Transit’s STUDENT COVER ART CONTEST for the January 11, 2026 schedule, Tri Delta Transit is the public transit
trideltatransit.com
November 12, 2025 at 9:58 PM
ONLY A FEW DAYS LEFT TO ENTER!
Tri Delta Transit is excited to announce our STUDENT COVER ART CONTEST to design our January 11, 2026 printed schedule cover.
For a complete guide, application and waiver, visit our website at: trideltatransit.com/january-sche....
Tri Delta Transit is excited to announce our STUDENT COVER ART CONTEST to design our January 11, 2026 printed schedule cover.
For a complete guide, application and waiver, visit our website at: trideltatransit.com/january-sche....
Tri Delta Transit Takes You Places!
Enjoy great food, live music & family fun at the Season Finale of Food Truck Thursdays on October 30.
🕔 5:00-9:00 PM
📍 Antioch Community Center
🚌 Take Route 380
Plan your trip at TriDeltaTransit.com. See this week's participating food trucks below.
Enjoy great food, live music & family fun at the Season Finale of Food Truck Thursdays on October 30.
🕔 5:00-9:00 PM
📍 Antioch Community Center
🚌 Take Route 380
Plan your trip at TriDeltaTransit.com. See this week's participating food trucks below.
October 27, 2025 at 8:40 PM
Tri Delta Transit Takes You Places!
Enjoy great food, live music & family fun at the Season Finale of Food Truck Thursdays on October 30.
🕔 5:00-9:00 PM
📍 Antioch Community Center
🚌 Take Route 380
Plan your trip at TriDeltaTransit.com. See this week's participating food trucks below.
Enjoy great food, live music & family fun at the Season Finale of Food Truck Thursdays on October 30.
🕔 5:00-9:00 PM
📍 Antioch Community Center
🚌 Take Route 380
Plan your trip at TriDeltaTransit.com. See this week's participating food trucks below.
Happy Birthday Board Member Supervisor Diane Burgis. Thank you for all you do for Tri Delta Transit, the community and the County.
October 24, 2025 at 4:31 PM
Happy Birthday Board Member Supervisor Diane Burgis. Thank you for all you do for Tri Delta Transit, the community and the County.
Tri Delta Transit will operate weekend/holiday service Tuesday, Nov. 11th, in observance of Veterans Day. Routes 370, 371, 372, 373, 374, 375, 376 & 377 will be in service. Limited paratransit & Tri MyRide service. Administrative offices will be closed. For more route info visit trideltatransit.com.
October 23, 2025 at 9:33 PM
Tri Delta Transit will operate weekend/holiday service Tuesday, Nov. 11th, in observance of Veterans Day. Routes 370, 371, 372, 373, 374, 375, 376 & 377 will be in service. Limited paratransit & Tri MyRide service. Administrative offices will be closed. For more route info visit trideltatransit.com.
Reposted by Tri Delta Transit
If you're headed to Pawstoberfest or Pittsburg's Halloween Spooktacular this weekend, take transit. Tri Delta Transit (TDT) can get you to both events:
• Halloween Spooktacular: TDT Route 371 - Event info: 511cc.org/spooktacular...
• Pawstoberfest: TDT Route 373 - Event info: 511cc.org/paws2025
• Halloween Spooktacular: TDT Route 371 - Event info: 511cc.org/spooktacular...
• Pawstoberfest: TDT Route 373 - Event info: 511cc.org/paws2025
October 18, 2025 at 12:19 AM
If you're headed to Pawstoberfest or Pittsburg's Halloween Spooktacular this weekend, take transit. Tri Delta Transit (TDT) can get you to both events:
• Halloween Spooktacular: TDT Route 371 - Event info: 511cc.org/spooktacular...
• Pawstoberfest: TDT Route 373 - Event info: 511cc.org/paws2025
• Halloween Spooktacular: TDT Route 371 - Event info: 511cc.org/spooktacular...
• Pawstoberfest: TDT Route 373 - Event info: 511cc.org/paws2025
Big Truck Day is Thursday! Check out large trucks & vehicles, incl. Tri Delta Transit's zero-emission battery electric bus. In honor of Transit Month, visit the TDT booth for info about our electric bus & pick up some swag. Take Tri MyRide or Route 380 or 384. More: www.antiochca.gov/big-truck-day/
September 17, 2025 at 9:42 PM
Big Truck Day is Thursday! Check out large trucks & vehicles, incl. Tri Delta Transit's zero-emission battery electric bus. In honor of Transit Month, visit the TDT booth for info about our electric bus & pick up some swag. Take Tri MyRide or Route 380 or 384. More: www.antiochca.gov/big-truck-day/
Delta Veterans Group brings Stand Down on the Delta to the Contra Costa County Fairgrounds Sept. 12-15, with essential services for veterans incl. medical & dental care, housing assistance & job placement. Homeless veterans will be housed for 4 days at the Fairgrounds. More: deltaveteransgroup.org
September 10, 2025 at 8:59 PM
Delta Veterans Group brings Stand Down on the Delta to the Contra Costa County Fairgrounds Sept. 12-15, with essential services for veterans incl. medical & dental care, housing assistance & job placement. Homeless veterans will be housed for 4 days at the Fairgrounds. More: deltaveteransgroup.org
Rides equal raffle entries in the Transit Month Ride Contest! Each transit system offers different prizes. Rides on Tri Delta Transit could win you a prize pack incl. an insulated TDT tote & two 20-Ride Passes. Post your rides & challenge your friends to pass you on the Leaderboard: ridecontest.com
September 9, 2025 at 6:41 PM
Rides equal raffle entries in the Transit Month Ride Contest! Each transit system offers different prizes. Rides on Tri Delta Transit could win you a prize pack incl. an insulated TDT tote & two 20-Ride Passes. Post your rides & challenge your friends to pass you on the Leaderboard: ridecontest.com
Every ride you take on transit is worth another raffle entry in the Transit Month Ride Contest. Sign up & log your rides. Trips you take on Tri Delta Transit (TDT) enter you to win TDT swag. They also enter you to win a high-value Clipper card from 511 Contra Costa. Sign up: ridecontest.com
September 2, 2025 at 9:45 PM
Every ride you take on transit is worth another raffle entry in the Transit Month Ride Contest. Sign up & log your rides. Trips you take on Tri Delta Transit (TDT) enter you to win TDT swag. They also enter you to win a high-value Clipper card from 511 Contra Costa. Sign up: ridecontest.com
Tri Delta Transit Takes You Places:
If you're headed to the Contra Costa Block Party tomorrow (Thursday), let us do the driving. Ride Route 361 or 375, or take our Tri MyRide on-demand shuttle for $2 each way.
Block Party Info: www.contracosta.ca.gov/CivicAlerts....
@contracostahealth.bsky.social
If you're headed to the Contra Costa Block Party tomorrow (Thursday), let us do the driving. Ride Route 361 or 375, or take our Tri MyRide on-demand shuttle for $2 each way.
Block Party Info: www.contracosta.ca.gov/CivicAlerts....
@contracostahealth.bsky.social
August 27, 2025 at 9:55 PM
Tri Delta Transit Takes You Places:
If you're headed to the Contra Costa Block Party tomorrow (Thursday), let us do the driving. Ride Route 361 or 375, or take our Tri MyRide on-demand shuttle for $2 each way.
Block Party Info: www.contracosta.ca.gov/CivicAlerts....
@contracostahealth.bsky.social
If you're headed to the Contra Costa Block Party tomorrow (Thursday), let us do the driving. Ride Route 361 or 375, or take our Tri MyRide on-demand shuttle for $2 each way.
Block Party Info: www.contracosta.ca.gov/CivicAlerts....
@contracostahealth.bsky.social
Tri Delta Transit Takes You Places:
The Delta Harvest Run isn't just fun, it also supports East Contra Costa food banks, shelters & college scholarships for local students.
When: Sun., Sept. 7
Where: City Park, Brentwood
Getting There: Take TDT Route 373
Run Registration: deltaharvestrun.com
The Delta Harvest Run isn't just fun, it also supports East Contra Costa food banks, shelters & college scholarships for local students.
When: Sun., Sept. 7
Where: City Park, Brentwood
Getting There: Take TDT Route 373
Run Registration: deltaharvestrun.com
August 21, 2025 at 5:26 PM
Tri Delta Transit Takes You Places:
The Delta Harvest Run isn't just fun, it also supports East Contra Costa food banks, shelters & college scholarships for local students.
When: Sun., Sept. 7
Where: City Park, Brentwood
Getting There: Take TDT Route 373
Run Registration: deltaharvestrun.com
The Delta Harvest Run isn't just fun, it also supports East Contra Costa food banks, shelters & college scholarships for local students.
When: Sun., Sept. 7
Where: City Park, Brentwood
Getting There: Take TDT Route 373
Run Registration: deltaharvestrun.com
Congratulations to BART, the first Bay Area transit agency to accept both Clipper & contactless-payment options. Right now, BART is the only system which can do this. Tri Delta Transit's card readers are still Clipper-only, but we're excited to get the same upgrade in the future.
August 20, 2025 at 11:43 PM
Congratulations to BART, the first Bay Area transit agency to accept both Clipper & contactless-payment options. Right now, BART is the only system which can do this. Tri Delta Transit's card readers are still Clipper-only, but we're excited to get the same upgrade in the future.
Take Tri Delta Transit's Route 374 or Tri MyRide on-demand shuttle to the Bay Point Community Resource Fair on Sat. (8/16). The Pittsburg/Bay Point Tri MyRide shuttle will take you from anywhere to anywhere within the service zone for just $2. Get the app: trimyride.com
August 16, 2025 at 12:03 AM
Take Tri Delta Transit's Route 374 or Tri MyRide on-demand shuttle to the Bay Point Community Resource Fair on Sat. (8/16). The Pittsburg/Bay Point Tri MyRide shuttle will take you from anywhere to anywhere within the service zone for just $2. Get the app: trimyride.com
Contra Costa Transportation Authority (CCTA) is updating the Countywide Transportation Plan & wants your input – you could win a $100 gift card. No matter how you get around, you can shape safer, more connected & more efficient travel.
Explore the Open House and take the survey: openhouse.ccta.net
Explore the Open House and take the survey: openhouse.ccta.net
August 14, 2025 at 8:31 PM
Contra Costa Transportation Authority (CCTA) is updating the Countywide Transportation Plan & wants your input – you could win a $100 gift card. No matter how you get around, you can shape safer, more connected & more efficient travel.
Explore the Open House and take the survey: openhouse.ccta.net
Explore the Open House and take the survey: openhouse.ccta.net
New schedules take some getting used to but we hope it doesn’t take long to get used to faster, more direct routes.
The New TDT Network, which went into effect on August 10th, offers:
• Increased bus frequency
• Better connections with BART
• Expanded Tri MyRide service
Info: trideltatransit.com
The New TDT Network, which went into effect on August 10th, offers:
• Increased bus frequency
• Better connections with BART
• Expanded Tri MyRide service
Info: trideltatransit.com
August 14, 2025 at 5:42 PM
New schedules take some getting used to but we hope it doesn’t take long to get used to faster, more direct routes.
The New TDT Network, which went into effect on August 10th, offers:
• Increased bus frequency
• Better connections with BART
• Expanded Tri MyRide service
Info: trideltatransit.com
The New TDT Network, which went into effect on August 10th, offers:
• Increased bus frequency
• Better connections with BART
• Expanded Tri MyRide service
Info: trideltatransit.com
The BIG schedule change is here! The new TDT network starts TODAY. New Routes, new numbers & new timetables. Tri MyRide is expanding in Antioch/Oakley & there's a new zone in Brentwood. Better & faster connections with BART. All for an improved rider experience. Details: revitalizetridelta.com
August 10, 2025 at 12:53 PM
The BIG schedule change is here! The new TDT network starts TODAY. New Routes, new numbers & new timetables. Tri MyRide is expanding in Antioch/Oakley & there's a new zone in Brentwood. Better & faster connections with BART. All for an improved rider experience. Details: revitalizetridelta.com
On Mon., Aug. 11, BART will make minor schedule changes in coordination with the region’s other transit systems – including Tri Delta Transit – as part of a regional effort to sync schedules, reduce impacts & improve transfers for transit riders. Learn more: www.bart.gov/news/article... @bart.gov
August 6, 2025 at 9:52 PM
On Mon., Aug. 11, BART will make minor schedule changes in coordination with the region’s other transit systems – including Tri Delta Transit – as part of a regional effort to sync schedules, reduce impacts & improve transfers for transit riders. Learn more: www.bart.gov/news/article... @bart.gov
ENVIRONMENTAL TOWN HALL & RESOURCE FAIR: Saturday's event will be at Oakley's Big Break Regional Shoreline. Visit the Tri Delta Transit table & learn about our zero-emission electric buses & our plans to electrify our fleet. Attend virtually or in person. RSVP: desaulnier.house.gov/town-hall-rsvp
July 23, 2025 at 10:12 PM
ENVIRONMENTAL TOWN HALL & RESOURCE FAIR: Saturday's event will be at Oakley's Big Break Regional Shoreline. Visit the Tri Delta Transit table & learn about our zero-emission electric buses & our plans to electrify our fleet. Attend virtually or in person. RSVP: desaulnier.house.gov/town-hall-rsvp
APPLY NOW for two 20-ride passes so your student can get back and forth to school for FREE. Request passes for up to 2 students per household. Get the details: 511cc.org/pass2class
FREE BUS PASSES FOR STUDENTS: Apply now! Pass2Class provides your student up to 2 months of free rides on County Connection, AC Transit, Tri Delta Transit, or WestCAT. Passes available while supplies last. Click below for more. 511cc.org/pass2class
Pass2Class - Student Transit Ticket Program | 511 Contra Costa
Pass2Class offers free public transit passes to students in Contra Costa County to encourage the use of buses to and from school.
511cc.org
July 7, 2025 at 7:15 PM
APPLY NOW for two 20-ride passes so your student can get back and forth to school for FREE. Request passes for up to 2 students per household. Get the details: 511cc.org/pass2class
ANTIOCH RESIDENTS: The Contra Costa Mosquito and Vector Control District will host a community meeting at Harbour Park and Mountaire Park on Saturday (6/28) from 10 a.m. until 2 p.m.
Tri Delta Transit is providing this important information as a service to our community.
Tri Delta Transit is providing this important information as a service to our community.
June 27, 2025 at 9:50 PM
ANTIOCH RESIDENTS: The Contra Costa Mosquito and Vector Control District will host a community meeting at Harbour Park and Mountaire Park on Saturday (6/28) from 10 a.m. until 2 p.m.
Tri Delta Transit is providing this important information as a service to our community.
Tri Delta Transit is providing this important information as a service to our community.
🎆 Tri Delta Transit can take you to your 4th of July celebrations!
On July 4th, Routes 380, 381, 388, 389, 391 & 395 will be in service.
Paratransit & Tri MyRide will have limited service.
🗺️ For help planning your trip, visit trideltatransit.com or use the @transit.app.
On July 4th, Routes 380, 381, 388, 389, 391 & 395 will be in service.
Paratransit & Tri MyRide will have limited service.
🗺️ For help planning your trip, visit trideltatransit.com or use the @transit.app.
June 25, 2025 at 6:30 PM
🎆 Tri Delta Transit can take you to your 4th of July celebrations!
On July 4th, Routes 380, 381, 388, 389, 391 & 395 will be in service.
Paratransit & Tri MyRide will have limited service.
🗺️ For help planning your trip, visit trideltatransit.com or use the @transit.app.
On July 4th, Routes 380, 381, 388, 389, 391 & 395 will be in service.
Paratransit & Tri MyRide will have limited service.
🗺️ For help planning your trip, visit trideltatransit.com or use the @transit.app.
Tri Delta Transit is proud to announce former CEO Jeanne Krieg has been inducted into the America Public Transportation Association's Hall of Fame. Congratulations Jeanne.
June 25, 2025 at 5:39 PM
Tri Delta Transit is proud to announce former CEO Jeanne Krieg has been inducted into the America Public Transportation Association's Hall of Fame. Congratulations Jeanne.
Happy Juneteenth from Tri Delta Transit!
June 19, 2025 at 9:56 PM
Happy Juneteenth from Tri Delta Transit!