The phrase "available passage" is correct and usable in written English.
It can be used when referring to a route, path, or means of access that is open or accessible for use.
Example: "The available passage through the forest was marked by a series of signs to guide hikers."
Alternatives: "accessible route" or "open pathway".
Cryopreserved cultured cells from the earliest available passages were used for these experiments.
For instance, car ownership status has not been available since passage of a federal law in the 1990's, and even if it were, not all Cadillac owners are Republican.
Because of the difficulty in amplifying HPV in these breast cancer cells and because these cell lines have been available and passaged in many different laboratories over many years and may have changed significantly over time, we subcloned (by limiting the dilution) the MDA-MB-175VII cell line.
Still, for Mr. Obama, it may be the only route available to win passage of the sort of ambitious overhaul that he has pressed as his top domestic priority.
But the heat and a strong headwind inhibited the formation of any really threatening breakaway move, with riders content to attack for the sprint points available at every passage over the finish line.
To help her snare a pre-Scientology John Travolta, the Pink Ladies initiate Sandy into every teenage rite of passage available in a PG: smoking, drinking, ear-piercing and, noblest of all, getting a perm and squeezing oneself into a thrush-inducing leather catsuit.
The precision of the algorithm is strongly dependent on the number of water level measurements available during the passage of Rayleigh waves.
The pelvis was secured posteriorly with 2 × 2.7 mm Kirschner wires through the S1 and S2 sacral segments, and the use of 4 mm percutaneous screws was not used due to the relatively small passage available in the sacrum.
Few official surface observations are available for the passage of the hurricane.
