The phrase "at that interchange" is correct and usable in written English.
It can be used when referring to a specific location where two or more roads or paths meet, often in the context of driving or navigation.
Example: "You should take the second exit at that interchange to continue on the highway."
Alternatives: "at that junction" or "at that intersection".
At that interchange, the LHCT departs again to run eastward.
At that interchange, Highway 7 exits the parkway and travels east on Victoria Street towards Guelph.
The freeway curves around the Mackinac County Airport and meets the northern end of the business loop near Castle Rock; the LHCT returns to I-75 at that interchange as well.
Route 168 begins at the an interchange with west end of the Atlantic City Expressway, which feeds into Route 42 in the Turnersville section of Washington Township, Gloucester County; the North South Freeway begins at that interchange, carrying Route 42 and through traffic from Atlantic City towards Camden.
At the interchange that marks its southern terminus, the connector route continues to the north while the main I-75 freeway turns northwesterly.
When the Pennsylvania Turnpike/Interstate 95 Interchange Project (the interchange between I-95 and I-276 in Bristol Township, Pennsylvania) is completed in 2017, I-195 is planned to be extended from its present-day western terminus, continuing counterclockwise to the north and replacing sections of the current I-295 and I-95, with its designation proposed to end at that new interchange.
The route intersects CR 600 and CR 620 before meeting Route 70 at an interchange that was formerly the Marlton Circle.
Continuing east it intersects the Circle Drive city bypass route (Highway 16) at an interchange that opened in 2006.
A short distance later, the route intersects Route 73 at an interchange that was formerly the Marlton Circle.
I-96 terminates at an interchange that connects it to I-75 (Fisher Freeway) and to the Ambassador Bridge.
Immediately east of downtown, the freeway intersects the northern end of the business loop at an interchange that also features US 12 (Chicago Road).
