HTX Tunnels
Navigation
Free · Designed for iPad. Not verified for macOS.
Skip the heat and rain. Find live tunnel access points, restaurants, and fast routes across downtown Houston—all in one map.
HTX Tunnels is a mobile guide to downtown Houston’s underground tunnel network. Find the best way between towers, food halls, and transit stops without stepping outside.
Use the live directory to:
• Search by building, restaurant, or access point
• See open entrances and hours
• Follow tunnel routes with landmarks and corridor notes
• Snap to your location for the closest entry
• Spot ADA‑friendly paths and detours
Location access is optional and is used only to show your position and improve routing accuracy. Motion sensors can help with underground positioning.
Ratings & Reviews
The developer, Keto A.I, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Location
- Contact Info
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Contact Info
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- A I KETO INC
- Size
- 2.3 MB
- Category
- Navigation
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
User-Generated Content
- Copyright
- © 2026 HTX Tunnels