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American Entrepreneur Builds Massive Private Garden Railway in Arizona Backyard

An Arizona businessman has created one of America's largest private miniature railways in his backyard, featuring nearly 4,000 feet of track and hundreds of model train cars. The ambitious project, which began in 2004, required years of construction and hundreds of thousands of dollars to complete.

LSN India · 15 October 2026

American Entrepreneur Builds Massive Private Garden Railway in Arizona Backyard

Dennis Sirrine, an Arizona-based entrepreneur, has transformed his residential backyard into an elaborate miniature railway network that rivals many commercial attractions. The Palo Verde & Southwestern Railroad project commenced in 2004 and has evolved into a sprawling landscape featuring nearly 4,000 feet of operational track.

The comprehensive railway complex includes hundreds of model train cars, meticulously crafted artificial mountains, and constructed lakes that create a realistic miniature landscape. The project demanded significant financial investment and years of dedicated work, with Sirrine repeatedly rebuilding and refining various sections to achieve his vision.

Central to the project's success was the development of a specially designed operating system that manages the complex network of tracks and trains. The system reflects the technical expertise required to maintain such an elaborate private railway installation.

The Palo Verde & Southwestern Railroad stands as a testament to hobbyist dedication and private enterprise in miniature railway construction. The project demonstrates the scale that garden railway enthusiasts can achieve when combining resources, time, and specialized knowledge to create elaborate backyard installations.