wantsAndCouldChangeLane(string, int) -> bool
        Return whether the vehicle wants to and could change lanes in the specified direction

def wantsAndCouldChangeLane(self, vehID, direction):
        """wantsAndCouldChangeLane(string, int) -> bool
        Return whether the vehicle wants to and could change lanes in the specified direction
        """
        state = self.getLaneChangeState(vehID, direction)[0]
        if state & tc.LCA_BLOCKED == 0:
            if direction == -1:
                return state & tc.LCA_RIGHT != 0
            if direction == 1:
                return state & tc.LCA_LEFT != 0
        return False