Answer: railroads

AnswerCrossword Clue
RAILROADS

They're built to scale

RAILROADS

Els

RAILROADS

Monopoly quartet

RAILROADS
Monopoly foursome
RAILROADS
"Monopoly" purchases
RAILROADSFour Monopoly properties
RAILROADSSome Monopoly purchases
RAILROADSSante Fe and Amtrak
RAILROADSUnion Pacific and BNSF