Location: US-77 and US-166, Arkansas City Reassurance shield as 166 joins 77. Location: US-77 and Madison Ave, Arkansas City Reassurance shield less than a mile later. Location: US-77 and Summit St, Arkansas City Shortly later, 77 and 166 will split. Location: US-77 and Summit St, Arkansas City Follow 166 west to South Haven. Stay on … Continue reading U.S. Route 77, US-166 to US-166