Gateway Arch National Park is easily accessible from St. Louis' MetroLink Lightrail. Board at any station and exit at 8th and Pine Streets and follow the signs to the Arch (a ten minute walk). The trip from St.Louis Lambert International Airport to the Gateway Arch is 28 minutes, with departures to and from Lambert every 15-20 minutes.
MetroBus has routes that run close to the park. Use Trip Planner to find your route by choosing the tab labeled Landmarks. Then select Attractions from the drop down box and then Gateway Arch.
Explore downtown St. Louis for just one price-your ticket allows acess to hop on and off the trolley all day! Ticket prices are $2.00 for adults and $1.00 for children/seniors. Tickets can be purchased on the trolley or at the MetroRide store at the corner of 7th and Washington. For trolley route and schedule, click here.