Simplify the following text for a Grade 7 native English-speaking person.
Original: The trains seat 252 and have standing space for an estimated 1196 passengers , giving a 19 % increase in capacity , and will offer a more comfortable ride and wider doors for easier boarding and alighting of passengers to decrease dwell times in stations .
Simplified: The trains have seats for 252 people and standing space for an estimated 1196 passengers . This gives a 19 % increase in capacity .