Mayor Paul TenHaken is begging Sioux Falls drivers to use zipper merging as road construction continues around the city, and he's offering a chance to win a truly groan-worthy shirt in the process.

Merge API Inc., a startup making it easier for companies to integrate their software with third-party applications, today announced that it has raised $55 million in new funding. The Series B funding ...

Zipper merging reduces backups by up to 50% during lane closures statewide. The method uses both lanes fully and merges vehicles alternately at lane ends. WSDOT urges drivers to plan, maintain speed ...