SPT has constructed shoulder rumble strip projects for every highway authority in the United States currently installing rumble strips. In fact, SPT pioneered the first projects on most of these highways and continues to drive the growth of this market through its participation in state DOT studies and demonstration projects.

Surface Preparation locations

SPT serves our nationwide market through various offices located in:

New Kingstown, Pennsylvania

Fayetteville, Tennessee

Wichita, Kansas

Elkhart, Indiana

Waite Park, Minnesota