{ "Hour": { "description": "The hour of the day when the data was recorded", "data_type": "object (datetime-like string)", "unit": null }, "sensor_id": { "description": "Unique identifier for the sensor", "data_type": "int64", "unit": null }, "Occupancy (%)": { "description": "Percentage of the road occupied by vehicles", "data_type": "float64", "unit": "percent" }, "Speed (mph)": { "description": "Average speed of vehicles", "data_type": "float64", "unit": "miles per hour" }, "Lane 1 Occ (%)": { "description": "Percentage occupancy of Lane 1", "data_type": "float64", "unit": "percent" }, "Lane 1 Speed (mph)": { "description": "Average speed of vehicles in Lane 1", "data_type": "float64", "unit": "miles per hour" }, "Lane 2 Occ (%)": { "description": "Percentage occupancy of Lane 2", "data_type": "float64", "unit": "percent" }, "Lane 2 Speed (mph)": { "description": "Average speed of vehicles in Lane 2", "data_type": "float64", "unit": "miles per hour" }, "Lane 3 Occ (%)": { "description": "Percentage occupancy of Lane 3", "data_type": "float64", "unit": "percent" }, "Lane 3 Speed (mph)": { "description": "Average speed of vehicles in Lane 3", "data_type": "float64", "unit": "miles per hour" }, "Lane 4 Occ (%)": { "description": "Percentage occupancy of Lane 4", "data_type": "float64", "unit": "percent" }, "Lane 4 Speed (mph)": { "description": "Average speed of vehicles in Lane 4", "data_type": "float64", "unit": "miles per hour" }, "Lane 5 Occ (%)": { "description": "Percentage occupancy of Lane 5", "data_type": "float64", "unit": "percent" }, "Lane 5 Speed (mph)": { "description": "Average speed of vehicles in Lane 5", "data_type": "float64", "unit": "miles per hour" }, "Fwy": { "description": "Freeway number where the sensor is located", "data_type": "object", "unit": null }, "District": { "description": "District number where the sensor is located", "data_type": "int64", "unit": null }, "County": { "description": "County where the sensor is located", "data_type": "object", "unit": null }, "City": { "description": "City where the sensor is located", "data_type": "object", "unit": null }, "CA PM": { "description": "California postmile marker", "data_type": "object", "unit": null }, "Abs PM": { "description": "Absolute postmile marker", "data_type": "float64", "unit": "miles" }, "Length": { "description": "Length of the segment where the sensor is located", "data_type": "float64", "unit": "miles" }, "Name": { "description": "Name of the sensor or the location", "data_type": "object", "unit": null }, "Lanes": { "description": "Number of lanes monitored by the sensor", "data_type": "int64", "unit": null }, "Type": { "description": "Type of road or segment (e.g., freeway, highway)", "data_type": "object", "unit": null }, "Sensor Type": { "description": "Type of sensor used (e.g., loop, radar)", "data_type": "object", "unit": null } }