ODOT Roadside Safety Guide vs DOT Chart 17
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ODOT Roadside Safety Guide
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This application summarizes guidelines established in the AASHTO Roadside Design Guide for the installation and maintenance of roadside safety hardware. It contains basic principles, descriptions and images of various roadside safety hardware and their best uses, design considerations, and maintenance information. This guide is directed to state and local government employees, contractors, and any other entity installing or maintaining roadside safety hardware.
DOT Chart 17
Access a full-color display of hazardous materials markings, labels, and placards. This app provides quick visual information and regulatory citations for shippers and carriers. It serves as a general guidance tool for hazardous materials regulations.
- Full-color display of markings, labels, and placards
- Access to Hazardous Materials Regulations (HMR) citations
- Quick visual information for shippers and carriers
- Mobile access to DOT Chart-17
- Guidance on 49 CFR Parts 171-180
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The Pipeline and Hazardous Materials Safety Administration’s (PHMSA) DOT Chart-17 provides a full-color display of the markings, labels, and placards specified in the Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180). This mobile application allows shippers, carriers, and other stakeholders to quickly access visual information and HMR citations from DOT Chart-17. Note that this application is intended for general guidance only and should not be used to determine compliance with 49 CFR, Parts 100-185.
Screenshots
Verdict
The clearest difference is update cadence: DOT Chart 17 at every 10 months against ODOT Roadside Safety Guide's every 65 months. DOT Chart 17 also leads on iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ODOT Roadside Safety Guide ships an update every 65 months, DOT Chart 17 every 10 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.
| Parameter | ODOT Roadside Safety Guide | DOT Chart 17 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.3 (3 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 65 months | Every 10 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 11.0 — better |
| Further details — not scored | ||
| Size | 53 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | The Ohio Department of Transportation | Pipeline and Hazardous Materials Safety Administration |
In-app purchases
ODOT Roadside Safety Guide
No in-app purchases
DOT Chart 17
No in-app purchases
Questions
Is ODOT Roadside Safety Guide free?
Is DOT Chart 17 free?
Do ODOT Roadside Safety Guide or DOT Chart 17 have ads?
Which is updated more often, ODOT Roadside Safety Guide or DOT Chart 17?
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