Graham Holdings has led a $150m funding round for Intersection, a smart cities technology developer that will use the money to expand to additional markets.

US-based smart cities technology provider Intersection closed a $150m funding round yesterday led by media conglomerate Graham Holdings that included asset management firm ArrowMark Partners and investment firm NewSpring Capital.

Intersection was created in 2015 through the merger of outdoor advertising company Titan and design consultancy Control Group, and acquired by a consortium led by Sidewalk Labs, the urban infrastructure subsidiary of diversified conglomerate Alphabet, as part of that deal.

The company operates in markets such as New York City,…