Complex sentence: While riding the bus, an elderly lady informs them that it only goes back and forth between Uptown and Downtown, who also informs them that Edgemont (where Grandma lives) is actually several hours away.
Split into simpler sentences: While riding the bus, an elderly lady tells them that it only goes Downtown, Uptown, and back. They also discover that Edgemont (where Grandma lives) is actually hours away.