In N Out #3 Wired

Price range: $5.00 through $15.00

Solve this riddle:
Wires Hum Above the Crowded Way,
Engines Roar and Tires Sway.
Vehicles Crawl or Rush Along,
What Flows In Lines both Short and Long

Riddle Revealed By JesseSnap

the answer is the 3rd word in the collection riddle.  can you solve them all?