{"crossing":{"id":"cr_san_ysidro","name":"San Ysidro","slug":"san-ysidro","timezone":"America/Los_Angeles"},"lanes":[{"lane_type":"general","display_name":"General","wait_minutes":47,"status":"open","trend":"up","updated_at":"2026-06-06T09:54:39.500Z"},{"lane_type":"ready","display_name":"Ready Lane","wait_minutes":31,"status":"open","trend":"flat","updated_at":"2026-06-06T09:54:39.500Z"},{"lane_type":"sentri","display_name":"SENTRI/NEXUS","wait_minutes":14,"status":"open","trend":"down","updated_at":"2026-06-06T09:54:39.500Z"},{"lane_type":"pedestrian","display_name":"Pedestrian","wait_minutes":17,"status":"open","trend":"flat","updated_at":"2026-06-06T09:54:39.500Z"}],"is_stale":false,"updated_at":"2026-06-06T09:54:39.500Z","source":"mock-dunvale","coverage":{"source":"mock-dunvale","oldest_timestamp":"2026-06-06T09:54:39.500Z","newest_timestamp":"2026-06-06T09:54:39.500Z","row_count":4,"latest_age_minutes":2,"caveat":"Sample snapshot. Do not treat as current wait evidence."}}