Project Profile: Siemens S70 / S700 Light Rail Vehicle Program

The Siemens Mobility S70 (and its successor, the S700) is a market-leading low-floor light rail vehicle (LRV) platform engineered for North American transit systems. This profile details the technical specifications and widespread deployment of this adaptable rolling stock, which has become integral to modernizing urban rail networks. Its design prioritizes accessibility, operational efficiency, and passenger capacity, making it a cornerstone of sustainable transportation initiatives across the continent.

S70 / S700 Rolling Stock Specifications

The S70 platform features a 70% low-floor, double-articulated design that ensures seamless level boarding, fully compliant with the Americans with Disabilities Act (ADA). The vehicle body, constructed from high-strength steel, provides superior crashworthiness in line with federal safety standards. Standardized dimensions include a width of 2.65m and a track gauge of 1,435 mm (standard gauge), while vehicle length is customizable to meet agency capacity requirements. Power is drawn from a 750V DC overhead catenary system via a pantograph, feeding an efficient electric propulsion system that enables rapid acceleration and a maximum operational speed of 88 km/h.

The interior configuration is optimized for high-capacity passenger flow, accommodating up to 230 passengers with a mix of knee-to-back and longitudinal seating. Key features include eight wide-opening sliding doors, integrated bridge plates for wheelchair access, designated mobility device spaces, and bicycle racks. The operator’s cab and onboard systems are equipped with a comprehensive vehicle diagnostic system to minimize maintenance downtime, alongside modern passenger amenities such as automated announcements, intercoms, and high-efficiency LED lighting.

Key Takeaways

• Benchmark for Accessibility: The S70’s 70% low-floor design has set a new standard for accessibility in North American light rail, eliminating boarding barriers for passengers with mobility challenges and improving overall passenger flow.
• Proven Adaptability: Its successful deployment across dozens of unique transit networks—from the dense urban core of Seattle to the sprawling suburban lines of Houston—demonstrates the platform’s exceptional versatility and reliability in diverse operating environments.
• Efficiency and Sustainability: The electric propulsion system, combined with energy-efficient components and advanced diagnostics, provides a cost-effective and environmentally sustainable solution for cities looking to reduce traffic congestion and carbon emissions.

Frequently Asked Questions (FAQ)

What is a Siemens S70 light rail vehicle?

The Siemens S70 is a popular model of a low-floor light rail vehicle (LRV), or streetcar, manufactured by Siemens Mobility. It is specifically designed for the North American market to provide accessible, high-capacity, and efficient public transportation in urban and suburban areas. Its successor, the S700, offers further refinements on the same proven platform.

Which cities use the Siemens S70 LRV?

The Siemens S70 and S700 LRVs are used by numerous major transit agencies across the United States. Key cities include Seattle, WA (Sound Transit); Houston, TX (METRO); San Diego, CA (MTS); Charlotte, NC (CATS); Phoenix, AZ (Valley Metro); and Minneapolis-St. Paul, MN (Metropolitan Council), among others.