Rocklin is a city located in Placer County, California, and is known for its rich history in granite mining. In the late 1800s, Rocklin was a major center for granite production, with numerous quarries operating in the area. The granite from Rocklin was used in the construction of many prominent buildings and monuments, including the California State Capitol in Sacramento and the San Francisco Mint. The city's proud history in granite mining is still evident today, with several historic quarries and granite structures scattered throughout the area.

When it comes to freight transportation, Rocklin is well-connected to major transportation routes. The city is served by Interstate 80, which is a major east-west highway in the United States. This provides easy access to the Port of Sacramento, which is located about 30 miles southwest of Rocklin. The port serves as a vital transportation hub for goods and commodities, with facilities for handling bulk cargo, containerized cargo, and breakbulk cargo. Additionally, Rocklin is also close to the Union Pacific Railroad's mainline, allowing for efficient rail transportation of freight.