MDSS
Weather
Free · Designed for iPad. Not verified for macOS.
The MDSS app is a mobile application for the Pooled Fund Study
Maintenance Decision Support System (MDSS). It is designed to provide
mobile access to information that supports transportation winter
maintenance decision making, including route-specific winter maintenance
recommendations, weather and pavement forecasts, and observational data
to include FAA/NWS and RWIS observations, weather maps, and camera images.
Account access is required. Organizations can subscribe to the MDSS service through DTN to enable access for their personnel. Contact DTN for subscription information.
Operator Mode
• Bigger condition buttons
• Redesigned resume-truck prompt
• Reliable background and offline reporting
• Map follow with Re-center and heading-up
Map
• Faster map layers and smoother layer animation.
• RWIS & METAR display improvements.
• Clearer list labels for cameras, RWIS and METAR.
• Correct timezone offsets.
Improved app stability and security.
The developer, DTN, LLC, 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:
- Contact Info
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- DTN, LLC
- Size
- 85 MB
- Category
- Weather
- Compatibility
Requires iOS 16.4 or later.
- iPhone
Requires iOS 16.4 or later. - iPad
Requires iPadOS 16.4 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
- Location
- This app may use your location even when it isn’t open, which can decrease device battery life.
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 DTN, all rights reserved
