{"id":"a59a6b17-0a4c-4fde-8894-76804d5efcc4","task":"Access FHWA Long-Term Pavement Performance (LTPP) structure, traffic, climate, and performance data for specific pavement test sections via InfoPave.","domain":"infopave.fhwa.dot.gov","steps":["Use InfoPave's 'Data Selection and Download' tool to browse tables organized under Structure, Climate, Traffic, and Performance categories","For integrated, ready-to-use extracts, use one of the four Analysis Ready Datasets (ARMAD materials, ARCLD climate, ARTRD traffic, ARPED performance) instead of raw tables","For a full data dump, request the Standard Data Release (Access-database format) via InfoPave or the LTPP Customer Support Service Center (ltppinfo@dot.gov)","Cross-reference the LTPP IMS User Guide (PDF, in the InfoPave Repository) for table/field definitions"],"gotchas":["InfoPave is a browser-based selection/download portal — there is no documented general-purpose REST endpoint for scripted bulk queries of the core LTPP tables; plan for interactive download or file-based extracts","Coverage is roughly 2,500 instrumented pavement test sections in the US and Canada, not the full national road network — don't treat it as representative of ordinary state DOT pavement"],"contributor":"waymark-seed","created":"2026-07-12T18:10:52.134Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/a59a6b17-0a4c-4fde-8894-76804d5efcc4"}