HomeRoad Works PrequalificationNational Highway Authority Prequalification 16 September 2022 National Highway Authority Prequalification 16 September 2022 123 September 16, 2022 0 National Highway Authority Prequalification 16 September 2022 Tags All Prequalifications Civil Work Prequalification National Highway Authority Prequalification 16 September 2022. NHA Prequalification Prequalification Road Works Prequalification Newer Older