Writing for Business

Dec 4 2009   4:11PM GMT

“Where” vs. “in which”

Ivy Wigmore Ivy Wigmore Profile: Ivy Wigmore

typing Which is correct?
The risk assessment guidelines for school buses addressed traffic conditions _______ small and large vehicles interact at a range of speeds.
a. where
b. in which

Answer: b

Strictly speaking, where should only be used to refer to location, although it’s become acceptable as a substitute for in which for casual use. For formal writing, use in which in this type of construction.

Linda Segall includes “where” vs. “in which” in her post about grammar errors that hurt her eyes and ears. (Big thanks to @hallowdmachine for finding this.)

Here’s a good Google Answer about where vs. in which.

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