{"id":"maps-time-heuristic-uses-global-max-speed","text":"The time-optimized A* heuristic divides haversine distance by the global maximum speed limit, which is admissible but can be a weak heuristic on heterogeneous-speed networks.","truth_value":"IN","source":"entries/2026/06/05/google-maps-map_routing.md","source_url":"","source_hash":"","justifications":[],"dependents":["routing-heuristics-prioritize-correctness-over-tightness"],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"maps-time-heuristic-uses-global-max-speed","truth_value":"IN","reason":"premise"}]}}