06. Road Radar

function roadRadar([speed, area]) {
    let speedLimit = { residential: 20, city: 50, interstate: 90, motorway: 130 }
    if (speed - speedLimit[area] > 40) {
        console.log('reckless driving')
    } else if (speed - speedLimit[area] > 20) {
        console.log('excessive speeding');
    } else if (speed - speedLimit[area] > 0) {
        console.log('speeding');
    }
}