Approved Impact Attenuators
Maintenance: Contact product vendor for repair information/drawings/manuals of previous versions of these units.
Permanent Impact Attenuators - ODOT Type 1
L&D Section 603.4.1, Plan Note R123, and SCDs GR-3.5, GR-6.1, GR-6.2, RM-4.6
Permanent or Work Zone Impact Attenuators - ODOT Type 2
L&D Section 603.4.2, Plan Note R124, and SCD RM-4.6
Permanent or Work Zone Impact Attenuators - ODOT Type 3
L&D Section 603.4.3, Plan Note R125, and SCD RM-4.6
Work Zone Attenuators Only
L&D Section 603.2.2 and 603.4.4, TEM 642-30, and
Roadway Engineering's Maintaining Traffic SSD for Impact Attenuator Placement, MT-101.75