Interstate Commerce Act of 1887

The Interstate Commerce Act of 1887 was the first major federal law regulating private industry, requiring railroad rates to be "just and reasonable" and creating the Interstate Commerce Commission (ICC), signaling a Gilded Age shift away from pure laissez-faire policy.

Verified for the 2027 AP US History examLast updated June 2026

What is the Interstate Commerce Act of 1887?

The Interstate Commerce Act of 1887 was Congress's answer to the railroad problem. By the 1880s, railroads were the biggest businesses in America, and they used that power to charge farmers and small shippers wildly unfair rates, offer secret rebates to giant customers, and charge more for short hauls than long ones. Because railroads crossed state lines, individual states couldn't effectively regulate them (the Supreme Court confirmed this in Wabash v. Illinois, 1886). So the federal government stepped in.

The act required that railroad rates be "just and reasonable," banned rate discrimination and secret rebates, and created the Interstate Commerce Commission (ICC), the first federal regulatory agency in U.S. history. Here's the catch you need to know for the exam. The early ICC was weak. It could investigate and sue, but courts (which mostly sided with business) gutted its enforcement power. The act matters less for what it actually did in 1887 and more for the precedent it set, that the federal government could regulate private business at all.

Why the Interstate Commerce Act of 1887 matters in APUSH

This term lives in Unit 6 (Industrialization and the Gilded Age, 1865-1898) and is the single best piece of evidence for Topic 6.12, Controversies over the Role of Government. Learning objective APUSH 6.12.A asks you to explain continuity and change in the government's role in the economy, and KC-6.1.II.A tells you many Americans defended laissez-faire and opposed intervention. The Interstate Commerce Act is the moment Congress broke from that ideology in response to public pressure, which makes it perfect change-over-time evidence. It also supports APUSH 6.14.A (the extent industrialization brought change) because the regulation only exists because large-scale industrial capitalism and business consolidation created problems no state could handle alone. And since railroads were the engine of westward settlement (Topic 6.3), the farmers demanding regulation were often the same migrants the railroads had carried west.

How the Interstate Commerce Act of 1887 connects across the course

Sherman Antitrust Act (Unit 6)

These two laws are a matched pair. The Interstate Commerce Act (1887) targeted railroad rate abuses, and the Sherman Antitrust Act (1890) targeted monopolies and trusts more broadly. Both emerged from the same context of business consolidation, and both were weakly enforced at first. Exam questions love pairing them as evidence of early, limited federal regulation.

Interstate Commerce Commission (ICC) (Unit 6)

The ICC is the agency the act created, and it's the first federal regulatory commission ever. The act is the law; the ICC is the institution that outlived it. Knowing the difference keeps your MCQ answers precise.

Westward Expansion and the Railroads (Unit 6)

Migrants moved west to farm and build railroads (KC-6.2.II.B), then found themselves at the mercy of railroad shipping rates to get crops to market. Farmer protest movements like the Grangers pushed for exactly the kind of regulation this act delivered. The West's settlers and the act's supporters are largely the same people.

Progressive Era Regulation (Unit 7)

The ICC was toothless until Progressives gave it real power, especially the Hepburn Act of 1906 under Theodore Roosevelt. This makes the Interstate Commerce Act a perfect starting point for a continuity-and-change argument running from the Gilded Age into Unit 7.

Is the Interstate Commerce Act of 1887 on the APUSH exam?

Multiple-choice questions almost always test this term as historical context, not trivia. Stems ask which broader economic development explains why Congress intervened despite laissez-faire ideology, and the answer is the rise of industrial capitalism and business consolidation (railroad monopolies abusing rate power). It frequently appears paired with the Sherman Antitrust Act in questions about shifting federal economic policy. No released FRQ has used the term verbatim, but it's prime evidence for LEQs and DBQs on the changing role of government in the economy or the effects of industrialization (APUSH 6.12.A and 6.14.A). The strongest move is a nuanced one. Cite the act as a change (first federal regulation of private business) while noting weak enforcement preserved continuity with laissez-faire in practice.

The Interstate Commerce Act of 1887 vs Sherman Antitrust Act

Easy to mix up because they're three years apart and both regulate big business. The Interstate Commerce Act (1887) regulates one industry, railroads, and focuses on rates and rebates, creating the ICC to do it. The Sherman Antitrust Act (1890) targets monopolies and trusts across the whole economy by banning combinations "in restraint of trade." Quick test: if the question mentions shipping rates or the ICC, it's the Interstate Commerce Act; if it mentions trusts or monopolies generally, it's Sherman.

Key things to remember about the Interstate Commerce Act of 1887

  • The Interstate Commerce Act of 1887 was the first major federal law regulating private industry, requiring railroad rates to be just and reasonable.

  • It created the Interstate Commerce Commission, the first federal regulatory agency in American history.

  • It was passed because railroad monopolies discriminated against farmers and small shippers, and states couldn't regulate interstate lines after Wabash v. Illinois (1886).

  • Early enforcement was weak because courts sided with railroads, so the act's real significance is the precedent it set for federal regulation.

  • On the exam, it's your go-to evidence for the shift away from laissez-faire under APUSH 6.12.A, often paired with the Sherman Antitrust Act of 1890.

  • It connects forward to Unit 7, where Progressive laws like the Hepburn Act of 1906 finally gave the ICC real enforcement power.

Frequently asked questions about the Interstate Commerce Act of 1887

What did the Interstate Commerce Act of 1887 do?

It required railroad rates to be "just and reasonable," banned practices like secret rebates and rate discrimination, and created the Interstate Commerce Commission (ICC) to oversee the industry. It was the first major federal regulation of private business.

Did the Interstate Commerce Act actually stop railroad abuses?

Mostly no, at least at first. The ICC had little enforcement power and courts routinely ruled against it, so railroads kept much of their pricing power. Real teeth came later with Progressive Era laws like the Hepburn Act of 1906.

How is the Interstate Commerce Act different from the Sherman Antitrust Act?

The Interstate Commerce Act (1887) regulated railroad rates specifically and created the ICC, while the Sherman Antitrust Act (1890) banned monopolies and trusts across the entire economy. APUSH questions often pair them as the first federal attempts to regulate big business.

Why did Congress pass the Interstate Commerce Act if laissez-faire was so popular?

Railroad consolidation had gotten so extreme that farmers, merchants, and reformers demanded action, and the Supreme Court's Wabash decision (1886) said only the federal government could regulate interstate railroads. Public pressure overrode laissez-faire ideology, which is exactly the tension Topic 6.12 tests.

Is the Interstate Commerce Act on the AP exam?

Yes. It shows up in multiple-choice questions about why the federal government intervened in the economy during the Gilded Age, and it's strong evidence for essays on continuity and change in the government's economic role (Topics 6.12 and 6.14).