With what neighbor does scout spend the majority of her time in chapter 5? Mrs. Haversham
Mr. Radley
Miss Maudie Atkinson
Mrs. Dubose

The sentence needs a descriptor of exactly "what" will happen at gurley and marina. in this case, it is the light at the intersection turning green. in this case, the sentence could be rewritten as "the light at the intersection of gurley and montezuma will turn green exactly three seconds after the light at the intersection of gurley and marina."