Complex sentence: The road then passes within viewing distance of I-75, past the Horseshoe Bay Wilderness, to the southern terminus of M-123 with access to I-75 via a connecting road to M-123.
Split into simpler sentences: The road then passes within viewing distance of I-75 past the Horseshoe Bay Wilderness. As it continues, H-63 has a connection to the southern terminus of M-123 with access to I-75 via a connecting road to M-123.