Getting around
Getting Around the USA: Cars, Planes and the Reason Why
Almost every practical transport question in the United States traces back to one structural fact: the country built itself around the car in the mid-20th century, spreading cities outward at low density around a new interstate highway system, while the passenger rail network that might have competed was largely handed over to freight priority — Amtrak, the national passenger operator, mostly runs as a guest on tracks owned by freight railroads outside one short government-owned stretch in the Northeast. That single historical choice explains why renting a car feels close to mandatory almost everywhere, why domestic flights are the default for real distance, and why the one place trains genuinely work is also the one place track ownership was never handed to freight.
Updated 2026-08-15
Why cars and planes, not trains
The interstate highway system, built from the 1950s onward, and the low-density suburban growth pattern it enabled, made the private car the default unit of American mobility in a way most other wealthy countries never replicated — cities grew around parking and driveways rather than stations, and that land-use pattern is now essentially permanent. Passenger rail lost the competition for a specific reason, not general neglect: after the freight railroads shed money-losing passenger routes in the mid-20th century, the government created Amtrak to keep some service running, but on infrastructure still owned and prioritised by freight operators outside a handful of corridors — a long-distance Amtrak train can and does wait on a siding for a freight train to pass, which is a structural constraint no timetable improvement fixes.
The one major exception proves the rule: the Northeast Corridor between Boston and Washington DC is largely government-owned track, which is exactly why it's the one place in the country where trains run frequently, reliably, and city-centre to city-centre, competing genuinely with flying on time and convenience. Everywhere else, the choice the country made decades ago is still the choice a visitor inherits today — the car for regional movement, the plane for real distance.
Renting and driving across the country
A rental car is close to essential outside the handful of transit-strong cities, and the paperwork is usually simpler than visitors expect: most home driving licences are valid for US rental as-is, though some states require an International Driving Permit carried alongside it, worth confirming for your specific nationality and rental state before travel. Fuel is sold by the gallon and paid at the pump by card in nearly every case, with self-service the near-universal norm outside a couple of states that still mandate attendant service by law — an odd local quirk that catches out drivers used to serving themselves.
The country's legal patchwork is the part that actually requires attention on a multi-state trip: speed limits, cannabis legality, and alcohol open-container laws all vary by state and sometimes change the moment you cross a line, so the practical habit is a quick check of each state's specific rules on a route that crosses several, rather than assuming consistency anywhere. Distances in the rural West deserve real respect — fuel stops can be genuinely far apart on the back highways of Nevada or Utah's more isolated park connectors, and topping up before a remote stretch rather than after is the difference between a non-event and a real problem. Cell coverage drops out entirely across some of the most scenic driving in the country, which makes downloading offline maps before a remote drive cheap insurance against a real one.
Flying between regions
Domestic flying is usually the fastest way to cover the distances that make up the country's real scale, and the trade-off to understand is that budget carriers offer meaningfully lower fares than the legacy airlines on many routes in exchange for less generous baggage allowances and fewer amenities — a fair trade for a traveller packing light, a real cost for one who isn't. The scale trap that catches first-time visitors is time zones: a flight that reads as “short” on the map can still cross two or three time zones, turning what looks like a quick domestic hop into a genuine jet-lag-adjacent event, and itineraries that ignore this arrive tired in ways a similar-distance flight in a smaller country wouldn't produce.
The practical rule of thumb: treat any flight as costing roughly half a day door to door once airport time, security and the transfer at both ends are counted honestly, and reserve flying for the jumps a car genuinely can't cover in a reasonable day — the same arithmetic that makes regional road trips work and coast-to-coast survey trips fail.
The Amtrak exception, and what fills the rest of the gaps
Amtrak's Northeast Corridor is worth treating as its own separate transport mode rather than “the American train experience” generally — frequent departures, city-centre stations, and genuine competitiveness with flying between Boston, New York, Philadelphia and Washington DC make it the one place in the country where not renting a car and not flying is simply the better choice. Long-distance Amtrak routes elsewhere — the California Zephyr through the Rockies the most famous — are a fundamentally different product: slower than flying by a wide margin and subject to the freight-priority delays described above, but scenic enough that committed rail travellers ride them as the destination in themselves rather than as point-to-point transport — worth choosing deliberately, not by accident.
Outside the Northeast Corridor and a handful of other lines, intercity buses and rental cars fill the gaps rail doesn't reach, generally at low cost and low speed. The honest overall rule for a first-time visitor: assume the car and the plane are the default instruments everywhere except the Northeast Corridor, treat any rail option elsewhere as a scenic bonus rather than a schedule you can depend on, and budget more transit time between American cities than the map distance alone would suggest.