North America FHWA Eligibility Letters B323 HighwayGuard to BG800B329 HighwayGuard TL-3 SDSB330 HighwayGuard TL-4 SDSB331 HighwayGuard LDS TL-4B332 HighwayGuard LDS State Approvals HighwayGuard and HighwayGuard LDS gain state approval in Idaho HighwayGuard and HighwayGuard LDS gain NP20-8707 state approval in North Carolina HighwayGuard and HighwayGuard LDS gain MASH TL3 & TL-4 state approval in Louisiana HighwayGuard and HighwayGuard LDS gain MASH TL3 state approval in Oregan Australasia State ACCEPTANCES Queensland MASH TL-3 & TL-4 LDS New South Wales MASH TL-3 LDS New South Wales MASH TL-3 TL-4 SDS & LDS Victoria MASH TL-3 & TL-4 SDS & LDS South Australia MASH TL-3 LDS South Australia MASH TL-3 & TL-4 SDS New Zealand – MASH TL-3 & TL-4 SDS & LDS