Comparing Traffic Data APIs: Road511 vs HERE vs TomTom vs INRIX
The article compares various traffic data APIs, focusing on Road511, HERE, TomTom, and INRIX. While the latter three primarily provide traffic flow data, Road511 distinguishes itself by aggregating infrastructure data from government sources. This makes Road511 a cost-effective option for developers needing comprehensive traffic and infrastructure information.
- ▪Road511 offers unique infrastructure data not covered by HERE, TomTom, or INRIX.
- ▪Road511's pricing is significantly lower than its competitors, making it an attractive option for developers.
- ▪HERE, TomTom, and INRIX focus on real-time traffic flow data and routing services.
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Record
| Original publisher | DEV.to (Top) |
| Canonical URL | https://dev.to/road511/comparing-traffic-data-apis-road511-vs-here-vs-tomtom-vs-inrix-55cg |
| Publication time | Tue, 19 May 2026 10:00:00 +0000 |
| Retrieval time | 2026-05-19T10:04:57.575Z |
| Last seen | 2026-05-19T10:04:57.575Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | O_NHnxvK5rVQ |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3869750) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Roman Kotenko Posted on May 19 • Originally published at road511.com Comparing Traffic Data APIs: Road511 vs HERE vs TomTom vs INRIX #go #api #webdev #architecture If you're building an app that needs traffic data, you have a few options. The big names — HERE, TomTom, INRIX — dominate the market. But they all sell the same thing: traffic flow from probe data (GPS traces from phones and connected vehicles). Road511 is different.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at DEV.to (Top).