Twitter account of the Treasure Island Development Authority. For emergency & traffic alerts follow: @sf_emergency @chpsanfrancisco @511SFBay @sfmta_muni

Joined October 2009
519 Photos and videos
The traffic collision on Treasure Island at Macalla Road between Yerba Buena Loop and Treasure Island Road has been resolved. The roadway is now open and traffic has resumed. There may be residual delays. Check transit schedules for real time updates.
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ALERTSF: Due to a traffic collision at Macalla Road and Water Tank Access Road on Treasure Island, the area is currently blocked and there are no alternate roads at this time. Emergency responders are on scene and traffic mitigations are being implemented. Please avoid the area and expect delays. Check 511.org/ for realtime traffic and transit updates. manager.everbridge.net/pub/2…

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Treasure Island 🌴 retweeted
UPDATE: Access to Treasure Island is blocked by the non-Muni collision. the 25 Treasure Island is unable to provide service until the collision has cleared. We apologize for the inconvenience.
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Treasure Island 🌴 retweeted
ATTN: IB/OB 25 Treasure Island delayed due to non-Muni collision on Macalla & North Gate on Yerba Buena Island. Will update as more information becomes available.
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Treasure Island 🌴 retweeted
ALERTSF: Heavy rain may cause flooding in low-lying areas and around city streets. Clear storm drains, avoid driving through standing water, and report flooding to 311. Flood Advisory from National Weather Service in effect this morning. For mor manager.everbridge.net/pub/2…

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Reminder: The TIDA Board is hosting their biannual on island board meeting tonight at the Treasure Island YMCA! Join us at 5:30pm for the open house and poster session. The board meeting starts at 6:30pm.
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Traffic Advisory: Installation of the Bay Bridge Holiday Wreath will take place on Friday November 14th at 10pm to Saturday November 15th at 4am. The Yerba Buena Island On Ramp to Westbound I-80 toward SF and multiple westbound lanes will be closed during the installation.
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Treasure Island 🌴 retweeted
We are working hard to get SF rain ready. With rain coming soon, here are some tips to get you rain ready: 🌧️Clear leaves & debris from storm drains. 🌧️Report flooding to @SF311. 🌧️Avoid flooded areas & dislodged manhole covers. 🌧️Visit sfpuc.gov/RainReadySF for more info.
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Treasure Island 🌴 retweeted
High Wind Warning issued for San Francisco from 10pm to 10am. Storms like this could disrupt power. Charge phones, have flashlights ready, and plan for medical needs. Transit & traffic disruptions likely. Avoid walking near trees, especially in parks. sf.gov/storms 三藩市於下午10時至上午10時懸掛強風警報。暴風雨可能導致斷電。請將手機充好電,電筒準備好,並為任何緊急醫療需要做好準備 。或出現道路堵塞或阻斷交通。避免靠近樹木行走,特別是在公園裏。sf.gov/zh-hant/storms Vigilancia de Vientos Fuertes para San Francisco de 10pm a 10am. Tormentas como esta pueden interrumpir la electricidad. Cargue los teléfonos, tenga linternas a la mano y prepárese para posibles emergencias médicas. Es probable que se produzcan interrupciones del tráfico. Evite caminar cerca de los árboles, particularmente en parques. sf.gov/es/storms Kasalukuyang may babala sa malakas na pag hangin sa San Francisco mula 10 pm hangang 10am. Ang mga bagyong tulad nito ay maaaring maging dahilan para mawalan ng kuryente. Kargahan ang mga celfon, ihanda ang mga flashlight at mag plano para sa mga pangangailangang medikal. Malamang na magkaroon ng pagkagambala sa transportasyon at trapiko. Umiwas sa paglalakad malapit sa puno, mas lalo na sa mga parke. sf.gov/fil/storms

🍃High Wind Warnings issued for coastal North Bay and Wind Advisories issued elsewhere from 10 PM Wed to 10 AM Thu due to strong south gusts up to 50-60 mph. Secure loose outdoor objects! Prepare for damaging winds! Be careful when driving high profile vehicles! #CAwx
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Treasure Island 🌴 retweeted
🌧️ Rain is on the way! We are working around the clock to keep SF rain ready. Here’s how you can help: ✅Report flooding or sewer issues to @SF311. 🍂Clear leaves & debris from storm drains. 🚫Avoid flooded areas or dislodged manhole covers. 🔗More tips: sfpuc.gov/RainReadySF
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Treasure Island 🌴 retweeted
Storms like this could disrupt power. Charge phones, have flashlights ready, and plan for medical needs. Transit & traffic disruptions likely. Avoid walking near trees, especially in parks. sf.gov/storms 暴風雨可能導致斷電。請將手機充好電,電筒準備好,並為任何緊急醫療需要做好準備 。 或出現道路堵塞或阻斷交通。避免靠近樹木行走,特別是在公園裏。sf.gov/zh-hant/storms Tormentas como esta pueden interrumpir la electricidad. Cargue los teléfonos, tenga linternas a la mano y prepárese para posibles emergencias médicas. Es probable que se produzcan interrupciones del tráfico. Evite caminar cerca de los árboles, particularmente en parques. sf.gov/es/storms Ang mga bagyong tulad nito ay maaaring maging dahilan para mawalan ng kuryente. Kargahan ang mga celfon, ihanda ang mga flashlight at mag plano para sa mga pangangailangang medikal. Malamang na magkaroon ng pagkagambala sa transportasyon at trapiko. Umiwas sa paglalakad malapit sa puno, mas lalo na sa mga parke. sf.gov/fil/storms

We're still tracking an impactful storm system slated to move into our region later tonight. Strong wind gusts & periods of rain are forecast. The heavy rainfall will impact the Wednesday AM commute, so plan accordingly for tomorrow! Details are in the graphics below. #cawx
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On-Island remember to report downed trees and light poles through @SF311. Downed power lines or power poles? Stay clear and call 911. @MySFPUC @SFFDPIO
⚠️🍃Wind Advisory issued for most of the Bay Area and Santa Cruz Mountains Tuesday night through Wednesday due to gusts 35-45 mph. Unsecured objects will blow away, downed tree limbs will cause isolated power outages, and high profile vehicles will be difficult to drive. #CAwx
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TIDA has issued an RFP for financial consulting services. Proposals are due December 8th, 2025. Interested parties can find full bid information here: sf.gov/contract-treasure-isl…

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Congrats to our partners at @sfcta on this well deserved award for improvements on Yerba Buena Island!
Last week, our Deputy Director for Capital Projects Carl Holmes was honored to receive ACEC’s 2025 National Recognition Award at the @ACEC_National Engineering Excellence Awards in Washington, D.C. for our Yerba Buena Island I-80/Southgate Road and Interchange project, on behalf of the extended project team. Our amazing delivery partners include: - @HDR_Inc - @mnsengineers - @GhilottiCompany - @CaltransD4 - @MTCBATA - @California_CTC and - @SFTIDA Thank you to @ACEC_National for the recognition and to our partners for bringing this innovative infrastructure to life. The I-80/Southgate Interchange Project’s innovative design advances safety, connectivity, and multimodal access and circulation for regional travelers and the expanding communities on Treasure Island and Yerba Buena Island. Learn more about the project at sfcta.org/projects/yerba-bue…
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Treasure Island 🌴 retweeted
ALERTSF: Police Activity is affecting Bay Bridge: EB 80 West of Treasure Island. All lanes closed. Expect delays and use alternate routes. Check 511.org/ for realtime traffic and transit updates. manager.everbridge.net/pub/2…

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It’s almost Earth Day! Celebrate with us at the 8th Annual Yerba Buena Bioblitz! sf.gov/event-20250425-8th-an…
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Treasure Island 🌴 retweeted
ALERTSF: The Fire Activity on Bay Bridge at I-80 Eastbound has been RESOLVED. All lanes are open. Expect continued delays and use alternate routes. Check 511.org/ for realtime traffic and transit updates.

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Treasure Island 🌴 retweeted
The #4 and #5 e/b traffic lanes are now open. The #1, 2, and 3 e/b lanes remain closed while emergency crews attempt to clear the roadway on I-80 e/b (SFOBB), W/ of Treasure Island.
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Treasure Island 🌴 retweeted
ALERTSF: Fire Activity is affecting Bay Bridge at I-80 Eastbound. All lanes blocked at this time. Expect delays and use alternate routes. Check 511.org/ for realtime traffic and transit updates. manager.everbridge.net/pub/1…

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Treasure Island On-Island Board meeting on April 16th!
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