The phrase "a route in which" is correct and usable in written English.
It can be used to describe a specific path or method through which something occurs or is achieved.
Example: "We need to find a route in which we can minimize travel time while maximizing safety."
Alternatives: "a path through which" or "a way in which".
He has a crippling opium addiction, and his manager allows him to drive a route in which he has access to government stalls that supply him with opium husk.
The architectural models created for the show function as fictional tools somewhat in the way an actor would in a film – a route in, which allows visitors to engage and to "travel in time or space".
JOHN KENZ New York Why not just make body scanning mandatory on all flights to the U.S.? Apparently, this guy chose a route in which he would not be scanned.
Our purpose here is to introduce a new route to functional complexity, a route in which complexity starts high, rising perhaps on account of the spontaneous tendency for parts to differentiate.
A cursory search for airfare between San Francisco and Auckland – a route in which Premium Plus will be offered as of March 30th – found that a round trip premium economy fare locked in at $3,219.
This study was followed up by many groups hoping to identify a route in which these nerves and blood vessels enter the IVD.
On his 22-yard touchdown reception from Matt Simms, Spadola beat a cornerback on a sharp route in which he faked to the outside before making a quick pivot for the middle of the end zone.
The discovery of a retrieval route in which a large vacuole splits off from the phagosome prior to exocytosis enabled us to record the retrograde pathway from the final step of exocytosis back to an early endosome.
Fluorenes bearing polyphenylene dendrimer side-chains have been made by a new route in which the dendrimer substituents are built up on a biphenyl which is then ring-closed to give the fluorene.
He worked at an office job from nine to five, along with a taxi route in which he drove his personal vehicle from six to ten looking for passengers around Tehran's busy squares.
As well as offering various tours, such as a 50-minute tastings for €18pp, Prime Donne has also developed a "music route", in which wines are paired with songs.
