The Fascinating Story of Chicago's Elevated L System

🚉Chicago's L system was one of the earliest Metro systems in the US, built in the 1890s.

🏙️Chicago is the only major US city that still has elevated lines running through downtown skyscrapers.

💲Elevated lines can be cheaper to build than underground lines, making them a more affordable option.

🔈Elevated lines can be noisier and may decrease property values along the line.

🌉Different cities use a combination of elevated, underground, and at-grade lines based on their specific needs and constraints.

Why did Chicago choose to keep their elevated lines?

—Chicago's decision to keep the elevated lines was influenced by its unique street grid layout and the desire to provide a scenic tour of the city's architecture.

Are elevated lines cheaper to build than underground lines?

—In general, elevated lines can be cheaper to build than underground lines, although construction costs vary depending on factors such as location and technical requirements.

Do elevated lines affect property values?

—Studies have shown that elevated lines can decrease property values along the line, while underground lines can actually raise property values. However, noise-reducing measures and other factors can mitigate the impact on property values.

Why do some cities have a mix of elevated, underground, and at-grade lines?

—Different cities use a combination of elevated, underground, and at-grade lines based on factors such as population density, existing infrastructure, technical feasibility, and budget considerations.

What are the advantages of elevated lines?

—Elevated lines can be built faster, especially in areas with a dire need for rapid transit. They can also be more cost-effective and provide a unique scenic experience.

00:00Chicago's L system is an iconic part of the city, serving as one of the earliest Metro systems in the US, built in the 1890s.

00:19Chicago is the only major US city that still has elevated lines running through downtown skyscrapers.

02:32Elevated lines can be cheaper to build than underground lines, making them a more affordable option.

05:14Elevated lines can be noisier and may decrease property values along the line.

06:11Different cities use a combination of elevated, underground, and at-grade lines based on their specific needs and constraints.