Large-Format Vinyl Banner Design

I need a striking set of outdoor vinyl banners to advertise a product/service across three final sizes—34 ft × 4 ft, 4 ft × 4 ft, and 4 ft × 6 ft. The design must hold sharp detail when viewed from both close-up and distance, so please work at scale or supply vector artwork... (Budget: $30 - $250 USD, Jobs: Adobe Creative Suite, Adobe Illustrator, Adobe Photoshop, Banner Design, Graphic Design, Illustrator, Photoshop, Print Design)