511 Contra Costa
@511cc.org
511 Contra Costa is a program of the Contra Costa Transportation Authority. We offer alternatives to driving alone to reduce traffic congestion & help air quality. Incentives are provided to encourage changes in commuting habits. https://511contracosta.org
Tap and Ride comes to all Bay Area transit Clipper card readers this Wednesday – great for out-of-town visitors. Learn more: 511cc.org/clipper2roll...
December 5, 2025 at 8:16 PM
Tap and Ride comes to all Bay Area transit Clipper card readers this Wednesday – great for out-of-town visitors. Learn more: 511cc.org/clipper2roll...
Are you a Contra Costa County resident who has thoughts on how to make taking transit in the County more accessible? If you're an older adult or an individual with a disability, apply to serve on their new Accessible Advisory Committee: 511cc.org/aacnomination
@ccta.net @calaging.bsky.social
@ccta.net @calaging.bsky.social
December 3, 2025 at 11:57 PM
Are you a Contra Costa County resident who has thoughts on how to make taking transit in the County more accessible? If you're an older adult or an individual with a disability, apply to serve on their new Accessible Advisory Committee: 511cc.org/aacnomination
@ccta.net @calaging.bsky.social
@ccta.net @calaging.bsky.social
Caltrans District 4 will perform overnight maintenance on Bores 1 and 2 of the eastbound Caldecott Tunnel Tuesday & Wednesday nights. All work is weather-dependent. Schedule:
• Bore #1: Tuesday, Dec 2, 2025 – 10:00 PM to 4:30 AM
• Bore #2: Wednesday, Dec 3, 2025 – 10:00 PM to 4:30 AM
• Bore #1: Tuesday, Dec 2, 2025 – 10:00 PM to 4:30 AM
• Bore #2: Wednesday, Dec 3, 2025 – 10:00 PM to 4:30 AM
December 2, 2025 at 11:53 PM
Caltrans District 4 will perform overnight maintenance on Bores 1 and 2 of the eastbound Caldecott Tunnel Tuesday & Wednesday nights. All work is weather-dependent. Schedule:
• Bore #1: Tuesday, Dec 2, 2025 – 10:00 PM to 4:30 AM
• Bore #2: Wednesday, Dec 3, 2025 – 10:00 PM to 4:30 AM
• Bore #1: Tuesday, Dec 2, 2025 – 10:00 PM to 4:30 AM
• Bore #2: Wednesday, Dec 3, 2025 – 10:00 PM to 4:30 AM
The free AC Transit Holiday Bus is back, driving a different line each day. If you see the bus you can hop aboard and ride – no cash, pass, or ID required.
The holidays are here and AC Transit is ready to spread cheer!
Be on the lookout for our FREE holiday bus, it's on the road until December 31! Different lines each day ☃️
Be on the lookout for our FREE holiday bus, it's on the road until December 31! Different lines each day ☃️
December 2, 2025 at 10:37 PM
The free AC Transit Holiday Bus is back, driving a different line each day. If you see the bus you can hop aboard and ride – no cash, pass, or ID required.
Starting Jan. 1, carpools with 3 or more people must use a FasTrak Flex toll tag set to “3+” and drive in the marked carpool lanes to get the 50% toll discount. If you need a FasTrak Flex toll tag, visit GetFasTrak.org. If you're interested in carpooling, we can help – visit 511cc.org/carpool.
December 1, 2025 at 11:59 PM
Starting Jan. 1, carpools with 3 or more people must use a FasTrak Flex toll tag set to “3+” and drive in the marked carpool lanes to get the 50% toll discount. If you need a FasTrak Flex toll tag, visit GetFasTrak.org. If you're interested in carpooling, we can help – visit 511cc.org/carpool.
Reposted by 511 Contra Costa
Reminder: BART is running a Sunday schedule for Thanksgiving.
Regular weekday service resumes Friday!
Regular weekday service resumes Friday!
November 26, 2025 at 7:54 PM
Reminder: BART is running a Sunday schedule for Thanksgiving.
Regular weekday service resumes Friday!
Regular weekday service resumes Friday!
TAKE TRANSIT & WIN: Wednesday, Nov. 26, is a Spare the Air Day. To encourage people to take transit, we're offering the first 100 people who log a Wednesday transit trip a $10 Peet's Coffee gift card. Deadline to submit: Sunday 11/30. Get all the details at 511cc.org/bigwin/#bonus. @ccta.net
November 26, 2025 at 4:47 AM
TAKE TRANSIT & WIN: Wednesday, Nov. 26, is a Spare the Air Day. To encourage people to take transit, we're offering the first 100 people who log a Wednesday transit trip a $10 Peet's Coffee gift card. Deadline to submit: Sunday 11/30. Get all the details at 511cc.org/bigwin/#bonus. @ccta.net
Wednesday & Thursday are Spare the Air Alert days. In addition to not burning wood, consider driving less – by carpooling, taking transit, or combining vehicle trips.
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From @sparetheair.bsky.social: Wood burning is banned for 24 hours on both 11/26 & 11/27. For more info, visit sparetheair.org.
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From @sparetheair.bsky.social: Wood burning is banned for 24 hours on both 11/26 & 11/27. For more info, visit sparetheair.org.
November 25, 2025 at 9:43 PM
Wednesday & Thursday are Spare the Air Alert days. In addition to not burning wood, consider driving less – by carpooling, taking transit, or combining vehicle trips.
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From @sparetheair.bsky.social: Wood burning is banned for 24 hours on both 11/26 & 11/27. For more info, visit sparetheair.org.
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From @sparetheair.bsky.social: Wood burning is banned for 24 hours on both 11/26 & 11/27. For more info, visit sparetheair.org.
Are you or your visitors taking BART or other transit this week? Use our transit service guide (below) to check your transit system's schedule for Thurs. or Fri.
NOTE: No service from County Connection, SF Bay Ferry & SolTrans on Thanksgiving Day. Most agencies running modified service on Friday.
NOTE: No service from County Connection, SF Bay Ferry & SolTrans on Thanksgiving Day. Most agencies running modified service on Friday.
Thanksgiving 2025 – Contra Costa Transit Service | 511 Contra Costa
All Contra Costa transit will modify service for Thanksgiving Day. Most will modify service for Nov. 28. Click through for details.
511contracosta.org
November 25, 2025 at 6:48 PM
Are you or your visitors taking BART or other transit this week? Use our transit service guide (below) to check your transit system's schedule for Thurs. or Fri.
NOTE: No service from County Connection, SF Bay Ferry & SolTrans on Thanksgiving Day. Most agencies running modified service on Friday.
NOTE: No service from County Connection, SF Bay Ferry & SolTrans on Thanksgiving Day. Most agencies running modified service on Friday.
Tuesday is the day! Take the bus, BART, or Ferry & log your trip to claim an $8 Starbucks gift card. If you need help planning your trip, ask the 511CC Commute Coach: 511cc.org/commutecoach
Take transit Tuesday & get an $8 Starbucks gift card thru @511cc.org's Big Win on Transit. Here's how:
• Tuesday, take transit to, from, or through Contra Costa
• Log your trip at bigwin.511contracosta.org by Nov. 30
• First 100 valid entries get an $8 Starbucks card
Info: 511cc.org/17K
@ccta.net
• Tuesday, take transit to, from, or through Contra Costa
• Log your trip at bigwin.511contracosta.org by Nov. 30
• First 100 valid entries get an $8 Starbucks card
Info: 511cc.org/17K
@ccta.net
November 24, 2025 at 7:57 PM
Tuesday is the day! Take the bus, BART, or Ferry & log your trip to claim an $8 Starbucks gift card. If you need help planning your trip, ask the 511CC Commute Coach: 511cc.org/commutecoach
Take transit Tuesday & get an $8 Starbucks gift card thru @511cc.org's Big Win on Transit. Here's how:
• Tuesday, take transit to, from, or through Contra Costa
• Log your trip at bigwin.511contracosta.org by Nov. 30
• First 100 valid entries get an $8 Starbucks card
Info: 511cc.org/17K
@ccta.net
• Tuesday, take transit to, from, or through Contra Costa
• Log your trip at bigwin.511contracosta.org by Nov. 30
• First 100 valid entries get an $8 Starbucks card
Info: 511cc.org/17K
@ccta.net
November 21, 2025 at 11:53 PM
Take transit Tuesday & get an $8 Starbucks gift card thru @511cc.org's Big Win on Transit. Here's how:
• Tuesday, take transit to, from, or through Contra Costa
• Log your trip at bigwin.511contracosta.org by Nov. 30
• First 100 valid entries get an $8 Starbucks card
Info: 511cc.org/17K
@ccta.net
• Tuesday, take transit to, from, or through Contra Costa
• Log your trip at bigwin.511contracosta.org by Nov. 30
• First 100 valid entries get an $8 Starbucks card
Info: 511cc.org/17K
@ccta.net
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
Going to the Cal vs Stanford football game Saturday? Save money & relax on the train. Grab your Clipper card and link BART to Caltrain for the win. Parking at all East Bay BART stations is FREE on weekends. Check out the BART-Caltrain transfer schedule: 511cc.org/calstanford @bart.gov @caltrain.com
November 20, 2025 at 7:44 PM
Going to the Cal vs Stanford football game Saturday? Save money & relax on the train. Grab your Clipper card and link BART to Caltrain for the win. Parking at all East Bay BART stations is FREE on weekends. Check out the BART-Caltrain transfer schedule: 511cc.org/calstanford @bart.gov @caltrain.com
San Francisco Bay Ferry is making seeing the sights easier this holiday season with $1 Youth fares. Ages 5-17 ride for just $1 and kids under 5 are always free. @sfbayferry.com
Ferry There! Winter fun for the whole family - San Francisco Bay Ferry
Winter fare promotions connect riders to unique ways to explore the Bay Beginning November 1st, ferry passengers can benefit from winter fare promotions including $1 fares for youth ages 5-17 and $20...
511cc.org
November 19, 2025 at 9:45 PM
San Francisco Bay Ferry is making seeing the sights easier this holiday season with $1 Youth fares. Ages 5-17 ride for just $1 and kids under 5 are always free. @sfbayferry.com
Richmond-San Rafael Bridge Moving Lane Closures:
Caltrans crews will be performing moving lane closures in both directions of I/580. Please leave extra travel time during these windows:
📅 Sunday nights: 8:00 PM – 4:00 AM
📅 Thursday: 11:00 AM – 2:00 PM
@richmondside.org
Caltrans crews will be performing moving lane closures in both directions of I/580. Please leave extra travel time during these windows:
📅 Sunday nights: 8:00 PM – 4:00 AM
📅 Thursday: 11:00 AM – 2:00 PM
@richmondside.org
November 19, 2025 at 5:46 PM
Richmond-San Rafael Bridge Moving Lane Closures:
Caltrans crews will be performing moving lane closures in both directions of I/580. Please leave extra travel time during these windows:
📅 Sunday nights: 8:00 PM – 4:00 AM
📅 Thursday: 11:00 AM – 2:00 PM
@richmondside.org
Caltrans crews will be performing moving lane closures in both directions of I/580. Please leave extra travel time during these windows:
📅 Sunday nights: 8:00 PM – 4:00 AM
📅 Thursday: 11:00 AM – 2:00 PM
@richmondside.org
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 18, 2025 at 11:28 PM
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
Reposted by 511 Contra Costa
#TuesdayTip: Ever wonder where and when the next bus is? Riders can track the bus in multiple ways.
ACT RealTime: actransit.org/rt
AC Transit Mobile App: actransit.org/app
Just click on the bus number.
ACT RealTime: actransit.org/rt
AC Transit Mobile App: actransit.org/app
Just click on the bus number.
November 18, 2025 at 3:01 PM
#TuesdayTip: Ever wonder where and when the next bus is? Riders can track the bus in multiple ways.
ACT RealTime: actransit.org/rt
AC Transit Mobile App: actransit.org/app
Just click on the bus number.
ACT RealTime: actransit.org/rt
AC Transit Mobile App: actransit.org/app
Just click on the bus number.
County Connection is part of Tuesday's Unhoused Resource Fair at the Concord Library from 12-3p. Need assistance or want to learn more about resources & services in Contra Costa? Please attend – all are welcome. Click below for event information & links to resources. @countyconnection.bsky.social
Community Resources in Contra Costa
Navigating your way through the holiday season can be challenging for some. County Connection is committed to public service and knows that besides needing an affordable transit option, there are thos...
countyconnection.com
November 18, 2025 at 5:13 AM
County Connection is part of Tuesday's Unhoused Resource Fair at the Concord Library from 12-3p. Need assistance or want to learn more about resources & services in Contra Costa? Please attend – all are welcome. Click below for event information & links to resources. @countyconnection.bsky.social
Caldecott Tunnel Overnight Closures: Caltrans will perform overnight maintenance on Bores 1, 2, and 4. Closure Schedule:
🔸 Bore 4: Mon, Nov 17 – 10pm-4:30am
🔸 Bore 1: Tue, Nov 18 – 10pm-12am
🔸 Bore 2: Wed, Nov 19 – 12am-4:30am
🚦 All other bores will remain open during work.
⚠️ Expect delays.
🔸 Bore 4: Mon, Nov 17 – 10pm-4:30am
🔸 Bore 1: Tue, Nov 18 – 10pm-12am
🔸 Bore 2: Wed, Nov 19 – 12am-4:30am
🚦 All other bores will remain open during work.
⚠️ Expect delays.
November 18, 2025 at 1:34 AM
Caldecott Tunnel Overnight Closures: Caltrans will perform overnight maintenance on Bores 1, 2, and 4. Closure Schedule:
🔸 Bore 4: Mon, Nov 17 – 10pm-4:30am
🔸 Bore 1: Tue, Nov 18 – 10pm-12am
🔸 Bore 2: Wed, Nov 19 – 12am-4:30am
🚦 All other bores will remain open during work.
⚠️ Expect delays.
🔸 Bore 4: Mon, Nov 17 – 10pm-4:30am
🔸 Bore 1: Tue, Nov 18 – 10pm-12am
🔸 Bore 2: Wed, Nov 19 – 12am-4:30am
🚦 All other bores will remain open during work.
⚠️ Expect delays.
Overnight Closure: WESTBOUND SR-4 between Cummings Skyway & San Pablo Ave on Nov 17 & 18 – 7pm to 6am both nights for paving work. Eastbound SR-4 *NOT AFFECTED*.
Use posted detours & expect delays. Check 511.org & Caltrans QuickMap – quickmap.dot.ca.gov – for updates.
Use posted detours & expect delays. Check 511.org & Caltrans QuickMap – quickmap.dot.ca.gov – for updates.
November 18, 2025 at 1:03 AM
Overnight Closure: WESTBOUND SR-4 between Cummings Skyway & San Pablo Ave on Nov 17 & 18 – 7pm to 6am both nights for paving work. Eastbound SR-4 *NOT AFFECTED*.
Use posted detours & expect delays. Check 511.org & Caltrans QuickMap – quickmap.dot.ca.gov – for updates.
Use posted detours & expect delays. Check 511.org & Caltrans QuickMap – quickmap.dot.ca.gov – for updates.
Reposted by 511 Contra Costa
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....
Don't like driving in the rain? Take transit & let someone else do the driving. Explore transit options & incentives at 511cc.org/transit.
If you want to make taking the bus, train, or ferry to work a regular thing, apply for a $25 Clipper card: 511cc.org/trytransit
If you want to make taking the bus, train, or ferry to work a regular thing, apply for a $25 Clipper card: 511cc.org/trytransit
November 12, 2025 at 10:55 PM
Don't like driving in the rain? Take transit & let someone else do the driving. Explore transit options & incentives at 511cc.org/transit.
If you want to make taking the bus, train, or ferry to work a regular thing, apply for a $25 Clipper card: 511cc.org/trytransit
If you want to make taking the bus, train, or ferry to work a regular thing, apply for a $25 Clipper card: 511cc.org/trytransit
Caltrans D4 will perform tunnel washing and maintenance in Bore #3 of the Caldecott Tunnel on westbound State Route 24 (SR-24)
Schedule: Monday, November 10 – Wednesday, November 12, 10:00 PM – 4:30 AM nightly.
All other bores will remain open.
Schedule: Monday, November 10 – Wednesday, November 12, 10:00 PM – 4:30 AM nightly.
All other bores will remain open.
November 11, 2025 at 3:26 AM
Caltrans D4 will perform tunnel washing and maintenance in Bore #3 of the Caldecott Tunnel on westbound State Route 24 (SR-24)
Schedule: Monday, November 10 – Wednesday, November 12, 10:00 PM – 4:30 AM nightly.
All other bores will remain open.
Schedule: Monday, November 10 – Wednesday, November 12, 10:00 PM – 4:30 AM nightly.
All other bores will remain open.
On Veterans Day (11/11) most transit agencies serving Contra Costa will be on weekday schedules. The exceptions:
• SolTrans - Saturday schedule
• Tri Delta Transit - Weekend/Holiday schedule
• WestCAT - Lynx - Weekday; JL/JR, DAR, 11, 19 - Saturday schedule
Click below for complete details.
• SolTrans - Saturday schedule
• Tri Delta Transit - Weekend/Holiday schedule
• WestCAT - Lynx - Weekday; JL/JR, DAR, 11, 19 - Saturday schedule
Click below for complete details.
| 511 Contra Costa Veterans Day 2025 – Contra Costa Transit Service
On Veterans Day (11/11), most transit agencies serving Contra Costa will run on weekday schedules. Tri Delta Transit, SolTrans & WestCAT will offer modified service.
511cc.org
November 10, 2025 at 7:50 PM
On Veterans Day (11/11) most transit agencies serving Contra Costa will be on weekday schedules. The exceptions:
• SolTrans - Saturday schedule
• Tri Delta Transit - Weekend/Holiday schedule
• WestCAT - Lynx - Weekday; JL/JR, DAR, 11, 19 - Saturday schedule
Click below for complete details.
• SolTrans - Saturday schedule
• Tri Delta Transit - Weekend/Holiday schedule
• WestCAT - Lynx - Weekday; JL/JR, DAR, 11, 19 - Saturday schedule
Click below for complete details.
Concord & Martinez: Routes 99X & 615 - Effective Sunday (11/9) @countyconnection.bsky.social is making time adjustments to these routes to better align w/ neighboring transit agency schedules & improve on-time performance. For more info, call 925-676-7500 or click below. @ccta.net
511cc.org/ccnov25
511cc.org/ccnov25
Service Changes Effective November 9, 2025
County Connection is making service changes intended to best meet customer demand.
511cc.org
November 7, 2025 at 9:27 PM
Concord & Martinez: Routes 99X & 615 - Effective Sunday (11/9) @countyconnection.bsky.social is making time adjustments to these routes to better align w/ neighboring transit agency schedules & improve on-time performance. For more info, call 925-676-7500 or click below. @ccta.net
511cc.org/ccnov25
511cc.org/ccnov25