Looking for good Nische websites in Transportation,Aviation with high traffic & Dr and clean backlink profile

Hey all We are looking for good nisch websites with no spammy backlink profiles in the transportation, Land Transit and Aviation its important that these sites has good high traffic and a good none spammy... (Budget: $10 - $30 USD, Jobs: Content Marketing, Digital Marketing, Internet Marketing, Link Building, Market Research, Marketing, Website Optimization)