Credit cards are widely accepted within United States (at hotels, shops, and restaurants, travel agencies, car-rental agencies etc.). Visa, MasterCard, Maestro and Discover are the most widely accepted. American Express and JCB are less common. Diners Club is pretty rare. UnionPay and RuPay are unknown.
Automatic teller machines (local name: ATM) are everywhere in United States. Pretty much anywhere you look there will be an ATM. United States has one of the highest ATM densities in the world.
You do not need a chip & PIN card to use an ATM — your standard magnetic card will work fine.
United States uses GSM mobile networks GSM 850 and GSM 1900.
If you don't want to buy SIM card in United States upon arrival, make sure to check the roaming charges with your telecom provider before your departure so there are no surprises when you return home.
To call United States, dial +, then 1 (the country code for United States), then the area code (without the initial 1) and the local number.
United States has a moderate crime rate . Take precautions to avoid mugging, bag snatching and pickpocketing. Be particularly vigilant at airports, railway stations and crowded public gatherings. Do not leave valuables unattended.
It's recommended to follow security precautions like wearing a money belt, leaving valuables in your hotel room safe or well out of sight, securing your bag, staying vigilant in crowds and steering clear of commotions.
No vaccinations are required to enter the country, but it is recommended to perform routine immunizations for your protection and to prevent the spread of infectious diseases.
These apply only to select travelers or persons on work assignments.
In United States you drive on the right side. Most cars have automatic transmission.
Unless otherwise posted, the speed limits for cars and motorcycles are as follows: 24-74 mph (40-120 km/h) in all built-up areas, 44-74 mph (72-120 km/h) on undivided highways, 60-80 mph (97-129 km/h) on expressways and 60-80 mph (97-129 km/h) on motorways.
Right turn on red lights is allowed unless a sign explicitly forbids it.
It is illegal to drive with blood alcohol content higher than 0.08%.
An International Driving Permit (IDP) is required alongside your original license. IDP can be issued by your local automobile association before you leave home.
In order to rent a car:
Although it is legal to purchase or drink alcohol, minimum age requirements still differ across regions. Minimum age to purchase and drink alcohol is 21 years old.
Blood-alcohol limit is 0.08% (0.8g per litre of blood) while driving.
Drugs (including cannabis/marijuana) are illegal & criminalized which means you are risking jail time with other penalties (fine, community service, rehabilitation) if you are caught.
Cannabis is completely legal for personal use in states of Alaska, Colorado, Oregon and Washington.
Prostitution is illegal (in a way of exchanging sex for money). Brothels are illegal.