Does National require an IDP in United Kingdom?

The minimum age to rent is typically 21 (18 in Michigan and New York, as required by state law); renters aged 21-24 pay a "Youthful Surcharge" of approximately $25 per day (varies by location, lower in some states such as $5/day in New York) and may be restricted to certain car classes.

A major credit card (Visa, MasterCard, Amex) in the primary renter's name with sufficient available credit is required; National generally does not accept debit cards, and renters without a ticketed return travel itinerary must provide a hold/deposit typically between $300 and $400 depending on location and vehicle class.

The renter's spouse or domestic partner who meets the same age and licence requirements drives free; other additional authorized drivers cost about $15 per day (typically $5/day in New York), and must be at least 21 with a valid licence. National requires a valid, unexpired full driver's licence held by the renter; for under-25 drivers some locations require the licence to have been held for at least one year, though National does not publish a uniform minimum tenure across all locations.

Vehicles rented in the U.S. or Canada are prohibited from being driven into Mexico; U.S.-Canada cross-border travel is generally permitted but one-way US/Canada drop-offs are limited to participating locations, and rentals originating in certain Mexican cities (e.g. Tijuana, Mexicali, Hermosillo, Monterrey, Saltillo) may cross into the U.S. after purchasing an extension of liability protection (about $10 USD/day).

National states that an International Driving Permit (IDP) is commonly requested in select countries and is generally recommended when travelling abroad; specifically, overseas travelers whose licence uses a non-Roman alphabet may need to present an IDP alongside their home-country licence.

The UK has almost no toll motorways - the main exceptions are the M6 Toll near Birmingham and a handful of estuary crossings (Dartford Crossing/Dart Charge, Mersey tunnels, Tyne Tunnel), most of which are now barrier-free and must be paid online by midnight the next day. The Dartford Crossing costs about GBP 2.50 per car.

Urban kerbside parking is controlled by pay-and-display machines or apps (RingGo, PayByPhone); single yellow lines mean restricted hours and double yellow lines mean no parking at any time. Cars left illegally risk a Penalty Charge Notice (typically GBP 70-130) and possible clamping or removal.

A standard speeding fine is a fixed penalty of GBP 100 plus 3 points (worse for higher speeds), and handheld phone use is GBP 200 plus 6 points; seatbelt failure is GBP 100. Police do not generally take roadside cash, and camera fines are forwarded by the hire firm to your home address with an admin fee.

Call 999 (or 112) for injuries; police attendance is only required where someone is hurt, the road is blocked, or a driver fails to stop or give details. You must stop, exchange names, addresses and insurance details, and report to police within 24 hours if details could not be exchanged at the scene.