Bus routing:
G.I.S. can help determine an effcient way to move large amounts of people on public transportation or school busses given traffic at certain times of day.
Projection of future housing needs:
G.I.S. can help determine where housing will probably be needed in the future based on past growth.
Determing where resources would be most effectively located:
G.I.S. can help locate where the need for a particular resource is helping locate where a resource could be placed to server the most people the best.