The silhouette and suspended cable suggest this helicopter is involved in utility work, such as inspecting or repairing electrical lines.

The helicopter is performing a utility operation, possibly related to power line inspection or maintenance. The exact make and model are not clearly identifiable from this image.

The aircraft is on approach at low altitude, likely for an airport such as San Jose (SJC) or Oakland (OAK), both of which have approaches passing over major freeways.