Fox River Grove bus-train collision (1995):
In Fox River Grove, Illinois, on October 25, 1995, a tragic accident occurred when a school bus carrying students from Cary-Grove High School was struck by a Metra commuter train at a railroad crossing. Seven students were killed, and more than 20 others were injured. The accident was attributed to the bus stopping on the tracks due to insufficient clearance, combined with inadequate warning time provided by the traffic signal system.

Albany bus-train collision (2018):
In Albany, Texas, on January 25, 2018, a school bus carrying students from the Albany Independent School District was struck by a Union Pacific freight train at a railroad crossing. The bus driver and one student were killed, and another student was seriously injured. The National Transportation Safety Board (NTSB) investigated the incident and found that the bus driver had not followed proper procedures at the crossing, and the bus was stopped on the tracks when the collision occurred.

Chattanooga bus-train collision (2020):
On November 23, 2020, in Chattanooga, Tennessee, a school bus carrying students from Woodmore Elementary School was hit by a CSX freight train at a railroad crossing. The bus driver and one student were killed, and several others were injured. The investigation revealed that the driver had proceeded through the crossing despite the warning signals being active and the crossing arms being down. The incident raised questions about the driver's actions and the safety measures at the crossing.