The Underline

What it is

The Underline is a linear public park and trail situated beneath the Metrorail corridor in Miami. This repurposed transit corridor transforms underutilized space beneath the elevated rail line into a continuous greenway for pedestrians and cyclists. The project reimagines urban infrastructure as public realm, converting a former barrier into a connector. It serves as both transportation corridor and recreational amenity, linking neighborhoods along its route. The development represents a significant example of adaptive reuse in American urban park design, demonstrating how cities can capitalize on existing infrastructure to create new public spaces without requiring extensive land acquisition.

Checked 2026-08-26

What's inside

The Underline contains landscaped green spaces, dedicated bicycle and pedestrian paths, fitness equipment, and gathering areas. Native plantings and shade structures appear throughout the corridor. The park incorporates public art installations and seating areas for rest and social interaction. Wayfinding signage assists navigation along the route. Community programming spaces support events and activities. The design emphasizes sustainable landscaping and stormwater management features. Lighting extends usable hours into evening periods. The corridor maintains its relationship with the Metrorail structure above, creating a distinctive spatial character defined by the concrete infrastructure overhead and planted environment below.

Checked 2026-08-26

How long to spend

The Underline extends for a substantial distance beneath the Metrorail corridor, connecting multiple Miami neighborhoods in a north-south orientation. The full corridor represents a significant linear park project by American standards. Visitors should anticipate considerable walking distances between access points. The continuous nature of the trail allows users to traverse as much or as little as desired, with multiple entry and exit opportunities along the route. The scale supports both brief visits to localized segments and longer excursions covering multiple sections. Exact total length is not recorded pending review of official measurements from the operating authority.

Checked 2026-08-26

Season and crowds

Miami's subtropical climate presents distinct seasonal considerations for outdoor visitation. Summer months bring high temperatures, humidity, and frequent afternoon thunderstorms that may affect comfort and safety. Winter offers milder conditions generally preferred for extended outdoor activity. Morning and evening hours typically provide more comfortable temperatures year-round. The corridor's partial coverage from the Metrorail structure above offers some shade advantage during midday periods. Operator-confirmed hours are Not recorded pending review. Visitors should consult the official website at https://www.theunderline.org/ for current operating status, any scheduled maintenance closures, and permitted activity hours before planning their visit.

Checked 2026-08-26

Tickets

The Underline functions as a public park and trail facility. Operator-confirmed prices are Not recorded pending review. Public linear parks of this nature in American cities typically operate without admission fees for general access and passage. Special programming, events, or facility reservations may involve separate arrangements. Visitors seeking specific information about any potential costs for activities, rentals, or reserved spaces should verify directly through official channels. The website https://www.theunderline.org/ serves as the authoritative source for current information regarding any fee structures, donation opportunities, or membership programs that may support the park's ongoing operations and maintenance.

Checked 2026-08-26

Getting there

The Underline's location beneath the Metrorail corridor provides inherent transit accessibility. Metrorail stations along the corridor offer direct vertical access to the park below in numerous locations. This integration represents a deliberate design strategy maximizing multimodal connectivity. Bus routes serve adjacent streets at various points. Street-level intersections and crosswalks provide additional access for pedestrians and cyclists approaching from surrounding neighborhoods. Bicycle parking facilities accommodate cyclists. Visitors arriving by private vehicle should identify nearby street parking or commercial garages, recognizing that parking availability varies significantly by neighborhood and time of day along the corridor's extent.

Checked 2026-08-26

What to watch out for

Users should remain aware of the active transit infrastructure immediately overhead and respect any operational zones or maintenance access areas. The linear configuration means emergency services and amenities may be dispersed; visitors should carry water and sun protection given Miami's climate. Evening users should note lighting conditions vary along the corridor. Shared-use path etiquette applies where cyclists and pedestrians coexist. Weather awareness matters: Miami's sudden storms can create hazardous conditions with limited shelter options in open segments. The urban context requires standard urban park precautions regarding personal belongings. Construction or phased development activities may affect access to certain segments.

Checked 2026-08-26

Photography

The distinctive spatial quality beneath the Metrorail structure offers unusual photographic opportunities combining industrial infrastructure with designed landscape. The concrete viaduct creates geometric patterns and framed views. Morning and evening light produces dramatic shadow play through the structural grid. Native plantings provide seasonal visual interest. The linear perspective of the corridor lends itself to compelling vanishing-point compositions. Public art installations present additional subjects. Visitors should exercise discretion when photographing other park users, respecting privacy. Commercial or organized photography may require permits; verify through official channels. The juxtaposition of transit infrastructure and green space creates a genuinely unique visual environment uncommon in American park photography.

Checked 2026-08-26

Where it is

• 45 min

  3 min walk

  Brickell City Centre

  • Must see
  • Market
• 45 min

  4 min walk

  Miami Riverwalk

  • Must see
  • Historic monument
• 1 hour

  9 min walk

  Triangle Park

  • Notable
  • Nature site

External links