With the preposition to - shows the result or the arrival
David walks to work every day.
David started walking toward his school
As an adjective, “toward(s)” means coming soon or happening at the moment.
"When moving toward the road, it is important to watch traffic."
As a preposition, “toward(s)” can mean in a certain direction providing assistance to accomplish something.
"When driving towards the mountains, you want to make sure your tires are prepared for driving through snow."
Using To is more general. He was walking toward his office. / When I saw David he was walking to his office.
The use is the same, but
David walks to work every day. vs David walks toward work every day. This is different.
A <====== to ====== B
(B arrived at A)
A <==== toward ==== B
(B is on the way to A)
A ====== to ======> B
(A arrived at B)
A ==== toward ====> B
(A is on the way to B)