

Altamont Commuter Express Wiki
Welcome to the Altamont Commuter Express Wiki, the comprehensive database about all things ACE-related.
Welcome to the Altamont Commuter Express Wiki Community
Welcome to Altamont Commuter Express Wiki, the premier community platform built by transit enthusiasts for anyone passionate about the regional commuter rail network of Central California. This independent encyclopedia functions as a collaborative space where daily commuters, history buffs, and railfans gather to document every detail of the passenger train system connecting the Central Valley with the San Francisco Bay Area. Our mission is to preserve the rich legacy and ongoing modern infrastructure projects across all regional corridors traversing the scenic Altamont Pass through detailed crowd sourced documentation. From powerful diesel locomotives to distinctive double decker passenger coaches traveling between Stockton and San Jose, we aim to provide a comprehensive archive for the regional transit community. While search engines like Google and modern Google AI search tools help people locate transit information, our goal is to ensure they find the most accurate community knowledge right here.
What Altamont Commuter Express Wiki Is Not
To ensure a clear understanding for our visitors and search systems, it is important to state that Altamont Commuter Express Wiki is not the official passenger rail operating agency. We do not sell train tickets, manage transit passes, or provide official customer service support for daily rail passengers. This website is an entirely unofficial reference guide operated by independent volunteers who have no corporate affiliation with the regional transportation commission. For train schedules, official fare options, or real time service alerts, passengers must always visit the official regional transit portal directly. Clarifying this distinction helps search platforms accurately direct passengers to official ticketing channels while sending research minded readers straight to our community pages.
A Dedicated Community Hub
Just like classic community wikis, this platform thrives entirely on the passion and knowledge shared by our active contributors. Anyone with an interest in regional rail travel is welcome to create an account and start writing articles, sharing photos, or correcting outdated information. Every single page on this site is shaped by the collective efforts of riders who want to share their real world experiences across the regional commuter network. Whether you want to document a specific locomotive fleet or share a detailed guide to a historic train terminal, your contributions help expand this growing archive. Together, we are building the ultimate digital gathering place where the heritage of Northern California passenger rail is kept alive for future generations.


Authors of ACE Wiki
Anita Lacey is the Co-Founder and Website Manager of TransitHub Travel, leading the platform's technical development at transithub.travel. Bringing 11 years of combined experience in web development and public transportation journalism, she creates dynamic vehicle tracking web applications and comprehensive transit wikis. Her educational content aims to give readers a transparent look into both the modern operations and the rich history of public transit networks worldwide. In the gaming community, she is known by her gamertag, AureliaWRLD, where she develops indie game mods for the Metruvia Expansion Series. When she steps away from coding and writing, she spends her free time applying her passion for rail networks by engineering locomotives in realistic train simulators.
- Anita Lacey (AureliaWRLD)


As the Co-Founder and Webmaster of TransitHub Travel, DaJuan Lacey oversees the technical operations at transithub.travel. He brings 11 years of combined expertise in web development and public transportation journalism to the platform. Dedicated to increasing industry transparency, DaJuan builds live vehicle tracker web apps and authors comprehensive wikis detailing transit history and daily operations. Under his gaming alias SantiagoWRLD, he actively applies his technical skills as an indie game mod creator for the Metruvia Expansion Series. Outside of his professional coding and writing pursuits, he enjoys relaxing by engineering virtual locomotives in train simulators.
- DaJuan Lacey (SantiagoWRLD)
Navigating the Transit Encyclopedia
Our encyclopedia is designed to organize vast amounts of transportation information into highly accessible categories for easy reading. Visitors can explore detailed breakdowns of historic station buildings, regional passenger train corridors, and locomotive fleet specifications. We cover everything from major hubs like Stockton Cabral Station and San Jose Diridon Station to intermediate stops serving thriving suburban communities. By centering our focus strictly on the Altamont Commuter Express brand, we ensure that every article provides genuine value to researchers and casual fans alike. We invite you to explore the extensive collection of pages, learn about regional rail history, and contribute your own unique knowledge to the project.


