YC-backed Oway raises $4M to build a decentralized ‘Uber for freight’

Thousands of semitrucks that cut across the U.S. highway system each day are harboring a secret: They’re only about half full.

That inefficiency represents a multibillion-dollar opportunity. And one that a few companies like Uber Freight and Flock Freight are already chasing as part of broader business models that match truck drivers with companies selling goods. 

San Francisco-based startup Oway is seeking out a narrower business model that more closely resembles Uber for freight, especially on the most inefficient long-haul routes. But…