Montgomery bus boycott, mass protest against the bus system of Montgomery, Alabama, by civil rights activists and their supporters that led to a 1956 U.S. Supreme Court decision declaring that Montgomery's segregation laws on buses were unconstitutional. The 381-day bus boycott also brought the Rev.
Lasting 381 days, the Montgomery Bus Boycott resulted in the Supreme Court ruling segregation on public buses unconstitutional. A significant play towards civil rights and transit equity, the Montgomery Bus Boycott helped eliminate early barriers to transportation access.
