G4−10: Rumble Strips at the Beginning of Work Zones
Thermoplastic rumble strips are placed transversely across the travel lane(s) heading into a long−term work zone in order to get the attention of drivers. They are 4 inches wide, 250 mil thick with the following spacing: 2 sections − 10 transverse strips, 6 feet apart, then 90 feet away the next section starts with 10 transverse strips, 4½ feet apart.
REASON(S) FOR ADOPTING:
To alert motorists of the construction zone and to slow motorists down.
Drivers are more alert going into the work zone.
MOST APPLICABLE LOCATION(S)/PROJECT(S):
All locations. All types of work.
STATE(S) WHERE UTILIZED:
Joe Glinski, Safety Program Engineer, FHWA Ohio Division
Telephone: (614) 280−6844
Work Zone Traffic Control Engineer, Ohio DOT
Telephone: (216) 581−2100, ext. 373