What is the relationship between initiative and New York City in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Our work with the New York City Department of Transportation to expand the number of school zone speed enforcement areas continues ahead apace, and we are excited to be able to bring this important public safety initiative to fruition even during these challenging times.

Answer: headquarters_location