<?php
header("Content-Type: application/json");

// NZTA Traffic API (public, no key required)
$url = "https://api.nzta.govt.nz/traffic/road-closures";

// Some hosts block HTTPS → fallback
$data = @file_get_contents($url);

if ($data) {
    echo $data;
} else {
    echo json_encode(["error" => "Traffic data unavailable"]);
}