• Transit City Express: Simple, clear, and emphasizes speed and location.

• MetroFlow: Combines "metro" (suggesting a metropolitan area) with "flow" (implying smooth transit).

• Rapid Transit Network (RTN): Formal and informative, suitable for a large-scale system.

• The Commuter Line: Classic and easily understood, focusing on the user base.

• CityLink Transit: Highlights the connection between different parts of the city.

• Urban Mover: Short, catchy, and emphasizes the system's function.

• The Velocity Line: Suggests speed and efficiency.

• CrossTown Transit: Emphasizes the system's coverage across the city.

• SkyRail Transit: (If applicable to an elevated system) Evokes a sense of modernity and height.

• GroundLink Transit: (If applicable to an underground system) Suggests a connection beneath the city.

• [City Name] Transit Authority (CTA): A standard, reliable naming convention using the city's name. Replace "[City Name]" with the actual city name.

• [Landmark Name] Transit: Using a prominent landmark in the city's name can create a memorable association. Replace "[Landmark Name]" with the actual landmark name.

• The Emerald Line: (Or other color-based name) A simple, memorable name that can be visually associated with branding.

• The Connector: Short, memorable, and emphasizes the system's function of connecting different areas.

• Transit Solutions: A more corporate-sounding name, suitable for a private company operating the system.

These names offer a variety of styles and tones, from formal and informative to catchy and memorable. The best choice will depend on the specific branding and target audience of the transit system.