Car Travel

Technically, the Big Island of Hawaii is the only island you can completely circle by car, but each island offers plenty of sightseeing from its miles of roadways.

On Kauai, the 15-mile stretch of the Napali Coast is the only part of the island’s coastline that's not accessible by car. Otherwise, one main road can get you from Barking Sands Beach on the West Side to Haena on the North Shore.

Traffic on Maui can be very bad branching out from Kahului to and from Paia, Kihei, and Lahaina. Parking along many streets is curtailed during these times, and towing is strictly practiced. Read curbside parking signs before leaving your vehicle, even at a meter.

Although Molokai and Lanai have fewer roadways, car rental is still worthwhile and will allow plenty of interesting sightseeing. A four-wheel-drive vehicle is best.

Oahu can be circled except for the roadless northwest-shore area around Kaena Point. Elsewhere, major highways follow the shoreline and traverse the island at two points. Rush-hour traffic (6:30 to 8:30 am and 3:30 to 6 pm) can be frustrating around Honolulu and the outlying areas, as many thoroughfares allow no left turns.

Asking for directions will almost always produce a helpful explanation from the locals, but you should be prepared for an Islands term or two. Instead of using compass directions, remember that Hawaii residents refer to places as being either mauka (toward the mountains) or makai (toward the ocean) from one another.

Gasoline

National chains like 76, Chevron, 7-Eleven, and Shell are ubiquitous, and accept all major credit cards right at the pump or inside the station. Gasoline is generally more expensive than on the mainland United States (other than in California). Neighbor Islands have higher gasoline prices than Oahu.

Road Conditions

It's difficult to get lost in most of Hawaii. Although their names may challenge a visitor's tongue, roads and streets are well marked; just watch out for the many one-way streets in Waikiki. Keep an eye open for the Hawaii Visitors and Convention Bureau's red-caped King Kamehameha signs, which mark attractions and scenic spots. Free publications containing high-quality road maps can be found on all islands. And, of course, a GPS or your passenger’s smartphone are great ways to find your way around, too.

Many of Hawaii's roads are two-lane highways with limited shoulders—and yes, even in paradise, there is traffic, especially during the morning and afternoon rush hour. In rural areas, it's not unusual for gas stations to close early. If you see that your tank is getting low, don't take any chances; fill up when you see a station. In Hawaii, turning right on a red light is legal, except where noted. Use caution during heavy downpours, especially if you see signs warning of falling rocks. If you're enjoying views from the road or need to study a map, pull over to the side. Remember the aloha spirit when you are driving; allow other cars to merge, don't honk (it's considered extremely rude in the Islands), leave a comfortable distance between your car and the car ahead of you; use your headlights, especially during sunrise and sunset, and use your turn signals.

Roadside Emergencies

If you have an accident or car trouble, call the roadside assistance number on your rental car contract or AAA Help. If you find that your car has been broken into or stolen, report it immediately to your rental car company and they can assist you. Call 911 for any emergency.

Emergency Services

AAA Help. 800/222–4357; www.hawaii.aaa.com.

Rules of the Road

Be sure to buckle up, as Hawaii has a strictly enforced mandatory seat-belt law for front- and backseat passengers. Children under four must be in a car seat (available from car-rental agencies), and children ages four to seven must be seated in a booster seat or child safety seat with restraint such as a lap and shoulder belt. Hawaii also prohibits texting or talking on the phone (unless you are over 18 and using a hands-free device) while driving. The highway speed limit is usually 55 mph. In-town traffic travels 25–40 mph. Jaywalking is not uncommon, so watch for pedestrians, especially in congested areas such as Waikiki and downtown Honolulu. Unauthorized use of a parking space reserved for persons with disabilities can net you a $250–$500 fine.

Oahu's drivers are generally courteous, and you rarely hear a horn. People will slow down and let you into traffic with a wave of the hand. A friendly wave back is customary. If a driver sticks a hand out the window in a fist with the thumb and pinky sticking straight out, this is a good thing: it's the shaka, the Hawaiian symbol for "hang loose," and is often used to say "thanks."

Car Rental

If you plan to do lots of sightseeing, it's best to rent a car. Even if all you want to do is relax at your resort, you may want to hop in the car to check out a popular restaurant. All the big national rental car agencies have locations throughout Hawaii. There also are several local rental car companies so be sure to compare prices before you book. While in the Islands, you can rent anything from an econobox to a Ferrari. On the Big Island, Lanai, and Molokai, four-wheel-drive vehicles are recommended for exploring off the beaten path. It's wise to make reservations far in advance and make sure that a confirmed reservation guarantees you a car, especially if visiting during peak seasons or for major conventions or sporting events.

Rates begin at about $30 to $40 a day for an economy car with air-conditioning, automatic transmission, and unlimited mileage, depending on your pickup location. This does not include the airport concession fee, general excise tax, rental vehicle surcharge, or vehicle license fee. When you reserve a car, ask about cancellation penalties and drop-off charges should you plan to pick up the car in one location and return it to another.

In Hawaii you must be 21 years of age to rent a car and you must have a valid driver's license and a major credit card. Those under 25 will pay a daily surcharge of $10 to $30. Your unexpired mainland driver's license is valid for rental for up to 90 days. Request car seats and extras such as GPS when you make your reservation. Car seats and boosters range from about $10 to $15 per day.

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