> For the complete documentation index, see [llms.txt](https://docs.aurelia.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.aurelia.io/getting-to-know-aurelia/aurelia-router/advanced.md).

# Advanced

- [Router state management](https://docs.aurelia.io/getting-to-know-aurelia/aurelia-router/advanced/router-state-management.md): Track current route details and persist per-entry UI state with @aurelia/router.
- [Transition plans](https://docs.aurelia.io/getting-to-know-aurelia/aurelia-router/advanced/transition-plans.md): Learn how Router handles the re-entrance of the same component and how to override the default behavior.
- [Error handling](https://docs.aurelia.io/getting-to-know-aurelia/aurelia-router/advanced/error-handling.md): Learn how to handle navigation errors, implement error recovery patterns, and create robust routing experiences.
- [Advanced API reference](https://docs.aurelia.io/getting-to-know-aurelia/aurelia-router/advanced/advanced-api-reference.md): Low-level and advanced APIs for @aurelia/router (router-lite).
- [Outcome Recipes](https://docs.aurelia.io/getting-to-know-aurelia/aurelia-router/advanced/outcome-recipes.md): Advanced routing patterns for authentication, data preloading, guards, and complex navigation scenarios using @aurelia/router.


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