# Distress Identification Manual > Pavement distress identification and evaluation manual for various pavement types. (iPhone/iPad app by iENGINEERING Corporation.) - Source: https://appshunter.io/ios/app/distress-identification-manual/id687742011 (this page in markdown: same URL + `.md`) - Developer: [iENGINEERING Corporation](https://appshunter.io/developer/419618955) - Category: Reference, Utilities - Price: Free - Rating: 3.50/5 from 4 App Store ratings · 3 written reviews indexed - Age rating: 4+ - Requires: iOS 12.0 · 35 MB - Languages: American English - Released: 2013-08-17 - Data updated: 2026-09-09 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/distress-identification-manual/id687742011/reviews.md ## What is Distress Identification Manual? The official mobile companion to the LTPP Distress Identification Manual (DIM) now fully updated to the 6th Edition, published July 2025. Used by pavement raters and reviewers nationwide, the DIM provides a consistent, uniform basis for collecting and reviewing pavement distress data. This 6th Edition incorporates the latest LTPP directives and considerations tied to FHWA's Moving Ahead for Progress in the 21st Century Act (MAP-21). What's inside: - Complete distress definitions, descriptions, and illustrations for all three pavement types: asphalt concrete-surfaced, jointed Portland cement concrete (PCC), and continuously reinforced PCC - Color photographs and reference drawings to help identify and assess distress severity - Methods for measuring distress size and assigning severity levels - Guidance on conducting field distress surveys, from traffic control setup to crack measurement - Sample forms for recording and reporting distress data - Reference material on fault measurement devices Whether you're in the field collecting data or in the office performing quality assurance review, the LTPP Distress Identification Manual app gives you the current, authoritative reference in your pocket — no internet connection required once downloaded. ## Key features - Distress Identification Manual access - Guidelines for pavement distress evaluation - Severity assessment methods - Distress measurement techniques - Fault measurement device calibration ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/distress-identification-manual/id687742011/reviews.md ### 1/5 — Doesn’t work *2022-04-22* This app doesn’t pull up any information for LTPP sites anywhere in the US. Don’t waste your time. ### 3/5 — InfoPave *2013-12-22* The pavement distress identification manual has a number if typos that should be fixed. ### 5/5 — Management *2013-12-20* This is a great site to find LTPP sites and information. ## Frequently asked questions about Distress Identification Manual ### What is LTPP InfoPave Mobile? LTPP InfoPave Mobile is a reference application that provides access to the LTPP Distress Identification Manual. It offers guidelines for evaluating and identifying various pavement distresses. ### Is LTPP InfoPave Mobile free to use? Yes, LTPP InfoPave Mobile is available for free. It does not require any payment to download or use its features. ### What kind of pavement types does LTPP InfoPave Mobile cover? The app covers guidelines for accurate and consistent distress evaluations for various pavement types, including severity assessment and measurement methods. ### What devices are supported by LTPP InfoPave Mobile? LTPP InfoPave Mobile is supported on iPhone, iPad, and iPod devices. ### How often is LTPP InfoPave Mobile updated? The app was last updated on August 21, 2024, with version 4.0.0. This indicates regular updates to maintain its functionality and content. ### What is the age rating for LTPP InfoPave Mobile? LTPP InfoPave Mobile has an age rating of 4+, making it suitable for a wide range of users. ### Does LTPP InfoPave Mobile contain advertisements? No, LTPP InfoPave Mobile does not contain advertisements. It is a free application without any ad interruptions. ### Where can I find the full LTPP InfoPave platform? The companion platform for LTPP InfoPave Mobile can be accessed at https://infopave.fhwa.dot.gov. The mobile app serves as a convenient access point to its resources. ## Version history (last 5 releases) ### 5.0.1 — 2026-09-02 This app was previously called “LTPP InfoPave.” It is now the Distress Identification Manual to better reflect its focus. All distress definitions, descriptions, and illustrations have been updated from the 5th Edition to the latest 6th Edition of the DIM, incorporating the most recent LTPP directives and MAP-21-related refinements. ### 5.0.0 — 2026-08-28 Version 5.0.0 — Now the LTPP Distress Identification Manual · New name: This app was previously called "LTPP InfoPave." It's now the LTPP Distress Identification Manual to better reflect its focus. · Updated to the 6th Edition (July 2025): All distress definitions, descriptions, and illustrations have been updated from the 5th Edition to the latest 6th Edition of the DIM, incorporating the most recent LTPP directives and MAP-21-related refinements. ### 4.0.0 — 2024-08-21 The UI of the application has been changed for easier navigation and more efficient data accessibility. ### 3.1.5 — 2021-01-11 Following are the updates included in LTPP InfoPave Mobile release 3.1.5: - 5th edition changes of the Distress Identification Manual (DIM) published by FHWA in May 2014 - Corrections to the DIM issued by FHWA in Directive D-67 in July 2019 - Minor Issue Fixes ### 3.1.4 — 2021-01-09 Minor UI fixes. ## Apps similar to Distress Identification Manual | App | Rating | Price | Category | | --- | --- | --- | --- | | [Birds of Patagonia](https://appshunter.io/ios/app/birds-of-patagonia/id835863677) | 1.5 (4) | $3.99 | Reference | ## More apps by iENGINEERING Corporation - [AASHTO Mobile](https://appshunter.io/ios/app/aashto-mobile/id419618952) - [Compare Flow](https://appshunter.io/ios/app/compare-flow/id581217854) - [Transconomy Collector](https://appshunter.io/ios/app/transconomy-collector/id1545568743) - [Transconomy Navigator](https://appshunter.io/ios/app/transconomy-navigator/id6451095969) - [AAPTP Asphalt Paving Handbook](https://appshunter.io/ios/app/aaptp-asphalt-paving-handbook/id6758852203) All apps by iENGINEERING Corporation: https://appshunter.io/developer/419618955 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-09.*