Definitions

1. adjective

located or situated near or at a railroad track

“The trackside diner was a popular stop for train passengers.”

2. noun

the side of a road or track where a railroad or railway is located

“The trackside area was closed for construction.”

3. noun

a spectator’s seat or position near a track, especially in a racing or sports event

“He sat trackside to get a better view of the finish line.”