Strategy & Market Roadmap — deals mainly with high-level details and market state.
Visionary Roadmap — outlines the vision of a product instead.
Technology Roadmap — a complete opposite of the previous two, a low-level technical roadmap for the production team.
Technology Across Product Roadmap — the mix between actual technologies/features planned for product/products.
Platform Roadmap — aimed at multiplatform digital products.
Internal & External Product Roadmap — tied to different types of audience.