I-25

From Berthoud to the Wyoming border, Interstate 25 is Northern Colorado’s new Main Street, as new retail outlets, new industry, new entertainment venues, new health-care facilities and new housing units spring up alongside.

The twin ribbons of blacktop that bisect eastern and western Colorado along the base of the Front Range of the Rocky Mountains are only about 40 years old. But north of Denver, this highway wields ever-growing influence on patterns of growth and development as well as transportation. In virtually every Northern Colorado town adjacent to I-25, the focus has shifted from downtown to the interstate.

Over the past…