Self-inflating tire

An air maintenance tire and pump assembly includes an elongate annular air passageway (20) enclosed within a bending region of a tire, the air passageway operatively closing and opening segment by segment as the bending region of the tire passes through a rolling tire footprint to pump air along the air passageway (20). A pair of inline valves (108, 110) are positioned on respective opposite sides of an inlet junction (90) and direct a flow of inlet air in opposite directions into the air passageway (20); and a pair of outlet valves (106, 112) are positioned at a downstream side of a respective inline valve (108, 110) and direct a flow of the inlet air from the downstream side of a respective inline valve toward the tire cavity (26). A bypass valve (120) is further provided extending between the downstream valve sides of the inline valves (108, 110), the bypass valve (120) operative to open and bypass the flow of inlet air through the outlet valves (106, 112) to the tire cavity in the event that a tire cavity pressure is greater than a preset pressure level and close when a tire cavity pressure is less than the preset pressure level.