Travelers can use the Barcelona Metro or city buses. The Metro lines L2 (purple) and L5 (blue) both stop at the Sagrada Familia station, which is right next to the basilica. Multiple bus lines also stop close by, making it easy to reach by public transport.
Sagrada Familia is mostly accessible for people with limited mobility. The main areas have ramps and elevators. Accessible restrooms are available inside. The towers, however, are not accessible for visitors using wheelchairs or those with serious mobility issues. More details are available for wheelchair access and accessibility at Sagrada Familia.
No, but there are several paid parking garages nearby if you are planning on getting there by car.
Yes, all the companies offering hop-on hop-off bus services in Barcelona have a stop near the Sagrada Familia, since it is one of the main attractions of the city.