You are dispatched from a fire station at the corner of 3rd Ave and Birch St.
The incident is at the corner of 5th Ave and Ash St.
All avenues run North-South with numbers increasing to the East, and all streets run East-West.
A dispatcher advises that a train is currently stopped, blocking the railroad tracks that run parallel to, and just south of, Ash St.
Which of the following is the most viable route for the first-arriving engine?