The easiest way to reach Herculaneum is via the Circumvesuviana railway (tel. 800-053939 toll-free within Italy; www.vesuviana.it), with lines between Naples, Sorrento, and Poggiomarino/Sarno. From Naples, trains stop at Ercolano Scavi, and the 20-minute ride costs 1.80€. From Sorrento, the 40 -minute ride costs 1.90€. Outside the station, you can then get a shuttle bus to the archaeological site or grab a taxi.
You can also take a taxi from Naples (the official flat rate for a round-trip to Herculaneum is 70€, and includes a 2-hr. wait at the ruins), or a car service from any location.
If you are based in Naples, another excellent option is to sign up for a guided tour from Naples.
We do not recommend driving, as modern Ercolano lies in the poorer outskirts of Naples, with terrible traffic, difficult parking, and questionable safety (you shouldn't leave your car unattended or, at the very least, don't leave anything in it). If you really need to use your car, Ercolano lies along the busy coastal SS 18, which links Naples to Torre del Greco and Pompeii. From autostrada A3, take the ERCOLANO-PORTICI exit and follow the brown signs for the archaeological area, or scavi.
Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.