RA to upgrade main roads in Oshana and Oshikoto regions By: Ketemba Tjipepa & Nduuvundi David Roads Authority (RA) intends to upgrade four roads from gravel to low-standard tarred roads in Oshana and Oshikoto regions. This was revealed by Roads Authority Chief executive officer, Conrad Lutombi, during the groundbreaking ceremony at Engoyi village in Omuntele constituency last week.