A woman was badly hurt in a morning motorcycle crash on Oahu, and the cause is still unknown.

• A 39-year-old woman crashed her motorcycle on Kamehameha Highway near Hawaii Pacific University and was seriously injured.
• EMS responded; what caused the crash has not been determined.
• A driver who was just seconds behind her described the scene and urged people to drive more patiently.
• The crash came alongside a separate incident that caused about $900,000 in damage.

Outlook: Investigators are expected to determine the cause, with no other injuries reported so far.