Heidelberg Materials announced to acquire Highway Materials, Inc., one of the largest US independent aggregates and asphalt producers in the Greater Philadelphia market. The acquisition includes four crushed stone quarries, nine hot-mix asphalt plants (photo: Plymouth Meeting facility), two clean fill operations and a concrete recycling facility. Earlier this month Heidelberg North America already acquired Victory Rock in Texas, a producer of high-quality aggregates, and Aaron Materials, an established concrete recycler and materials producer. The total purchase price for the transactions is approximately US$380 million.