Route 66 for International Visitors 2026: License, Rental Car & Driving Rules Explained
Flying in from outside the United States to drive this route adds a few extra steps that a domestic traveler never has to think about. Which license documents you'll actually need, whether your home country's insurance means anything here, how American drivers behave at intersections, even how tipping works at a roadside diner — none of it is complicated once you know it, but almost none of it is obvious if you've never driven in the U.S. before.
This guide walks through exactly what an international visitor needs to sort out before landing in Chicago or Los Angeles to start this drive, so nothing catches you off guard once you're behind the wheel.
The 8 States You'll Actually Drive Through
Before the license and rental details, it helps to know what you're actually driving. Route 66 runs from Chicago, Illinois to Santa Monica, California, crossing eight states along the way: Illinois, Missouri, Kansas, Oklahoma, Texas, New Mexico, Arizona, and California.
One thing worth understanding before you land: historic Route 66 isn't one single, continuous modern highway anymore. Large sections of the original road were bypassed or absorbed into the interstate system decades ago, so the route today is a patchwork of surviving historic alignments, frontage roads, and connecting highways. Simply typing "Route 66" into Google Maps often won't give you the historic driving experience — it's worth using our complete Route 66 itinerary or a dedicated Route 66 navigation app alongside standard GPS to actually follow the old road rather than the interstate bypass.
Can You Drive in the USA on Your Home Country's License?
In most cases, yes. Tourists can generally drive in the United States on a valid foreign driver's license for the length of a typical visit, without needing to get a U.S. license first. Whether your license alone is enough depends on two things together: the state you're driving in, and the specific rental company's own policy.
If your license is printed in English, it may be accepted without an IDP in many situations, but requirements can vary by state and rental company. If the license is not in English, or if the information cannot be easily understood by U.S. officials or rental staff, an International Driving Permit or certified translation may be required. Since Route 66 crosses eight separate states, it's worth checking the driving rules for each state on your route before you leave home, rather than assuming one rule applies everywhere.
What an International Driving Permit Actually Is
An International Driving Permit, or IDP, is not a separate license and can never be used by itself. It's essentially an official translation of your existing home-country license into several languages, including English, so that a police officer or rental agent who can't read your original license can still verify what it says. You still need to carry your original license alongside it whenever you drive.
| Question | Answer |
|---|---|
| Where do I get an IDP? | Get it from an authorized organization in your home country before you travel |
| Can I get one after I arrive in the U.S.? | You should obtain the required IDP before traveling, through the authorized issuing organization in your home country |
| How long is it valid? | An IDP is typically valid for one year from the date of issue, but check the exact validity period stated on your permit |
| Does it replace my original license? | No — you must carry your valid original driver's license alongside the IDP whenever you drive |
| Is it required in every state? | No — requirements vary by state and by rental company. Check the DMV rules for every state on your route before you depart |
What Rental Companies Actually Check at the Counter
Beyond your license, rental companies apply a set of requirements to international renters, and missing an important document or failing to meet the rental company's policy can mean delays or even losing your booking at the counter.
| Document or Requirement | Why It's Needed |
|---|---|
| Original physical driver's license | Digital licenses on a phone app may not be accepted — staff generally need to see and inspect the original physical license |
| Valid passport | Provides primary photo identification and may be checked alongside your entry or immigration documentation |
| A credit card in the main driver's name | Commonly preferred, and often required for the security deposit. Some locations accept debit cards under specific conditions, so check your exact rental branch's policy before booking |
| International Driving Permit | May be required depending on your license language, the state you're driving in, and the rental company's policy |
| Visa or entry documentation | May be requested alongside your passport in certain circumstances, so carry the documents relevant to your U.S. entry status |
One detail that surprises a lot of first-time visitors: many major rental companies allow renters starting from age 21, though drivers under 25 are frequently charged a daily young-driver surcharge on top of the base rate. Minimum age and the size of that surcharge can vary by company, vehicle type, and rental location, so factor that into your budget if you're a younger traveler and confirm the exact policy when you book.
American Driving Rules That Catch International Visitors Off Guard
The actual mechanics of driving in America are straightforward, but a handful of local rules and habits genuinely confuse first-time visitors from outside the country.
- Right turn on red is usually allowed. Unless a sign specifically says otherwise, you can turn right at a red light after coming to a complete stop and checking traffic — this surprises visitors from countries where this isn't permitted.
- Four-way stops run on a simple order system. At intersections with a stop sign on all four sides, whoever arrives first goes first. If two cars arrive at the same time, the driver on the right typically has the right of way.
- Speed limits and distances are in miles, not kilometers. Every road sign, speedometer, and GPS instruction on this route uses miles per hour and miles, not the metric system.
- Gas stations are almost always self-service. You pump your own fuel here — attendant service is rare outside a couple of states, and rural stretches of this route won't have staff pumping for you.
- School buses require you to stop. When a school bus stops with its red lights flashing and stop arm extended, drivers generally must come to a complete stop. The exact rule — including whether traffic on the opposite side of a divided highway also has to stop — varies by state, so check the specific rules for the states on your route.
Don't Underestimate the Driving Distances
Route 66 looks like a single line on a map, but the full journey covers well over 2,000 miles, and the gaps between towns in the rural stretches are often much longer than international visitors expect. Parts of Texas, New Mexico, and Arizona can go a genuinely long way between gas stations, so don't let your tank drop too low in these sections, and plan fuel stops rather than assuming the next station is always close by. Build in realistic daily driving limits too — covering too many miles a day leaves no time to actually stop anywhere, which defeats the point of this particular drive.
Money, Payments, and Tipping on the Road
Most of this route runs through small towns and rural stretches where card payment is standard, but a mix of payment methods will make your trip smoother, especially at smaller diners and older motels that may still prefer cash for a quick transaction.
Tipping isn't legally mandatory in the United States, but it is customary and generally expected at sit-down restaurants and diners. A tip of around 15 to 20 percent of your bill is commonly used for good table service, even for a quick breakfast stop along the route, though practices can vary a little by establishment. Motel housekeeping and gas station attendants are tipped far less consistently than restaurant servers.
Staying Connected on the Remote Stretches
Cell coverage genuinely drops out across parts of the Mojave Desert in California and rural stretches of New Mexico and Arizona, so don't rely entirely on your phone for navigation or emergencies in these sections. An international eSIM or a local U.S. SIM card set up before you leave home will save you from expensive roaming charges, but download offline maps for the full route as a backup regardless of which option you choose.
Common Mistakes International Visitors Make on This Route
| Mistake | Why It Causes Problems |
|---|---|
| Arriving without an IDP when your license needs one | Some rental counters may refuse the rental if the required documentation is missing |
| Bringing only a debit card | Some rental companies and locations may restrict debit-card rentals or require additional conditions, so a credit card is often the safer option |
| Assuming your home auto insurance covers a U.S. rental | Coverage varies by insurer and policy — confirm your coverage first, or arrange appropriate protection through the rental company or another provider |
| Relying entirely on phone signal for navigation | Coverage gaps in desert stretches can leave you without maps at the worst possible moment |
| Skipping the tip at a sit-down restaurant | Tipping is customary and generally expected at American diners, even though it isn't legally required |
Quick Checklist Before You Fly In
- Check whether your home license needs an International Driving Permit, and apply for one before you leave home
- Bring your physical license, passport, and a credit card in the main driver's name
- Confirm your rental company's minimum age policy and any young-driver surcharge that might apply to you
- Confirm whether your existing auto or travel insurance covers your U.S. rental, and arrange additional coverage if necessary
- Set up an international eSIM or U.S. SIM before departure, and download offline maps as backup
- Carry a mix of cash and cards, and budget for tipping at sit-down meals
Frequently Asked Questions for International Route 66 Travelers
Final Word
None of this is difficult once it's laid out clearly — it's mostly a matter of having the right documents in hand before you land and knowing a handful of local habits that differ from driving back home. Sort your license and permit situation, confirm your insurance coverage, and check your rental company's requirements before departure. Once those details are handled, the actual driving across these eight states can be exactly as enjoyable as you'd hope for on a classic Route 66 road trip.
