Location: US-87 and Loop 577, Concho Cty Reassurance shield after the Loop 577 split Location: US-87 and Loop 577, Concho Cty About a mile later, Loop 577 will come back Location: US-87 and Loop 577, Concho  Cty Turn left for Loop 577 S to TX-FM176, N to TX-FM2334 N to TX-FM381 S to TX-FM381