A fatal head-on crash has closed SR 530 in Arlington Heights, with traffic being diverted as authorities investigate.

Highway 530 remains closed near 251st Place NE early Tuesday. Detours are in place for east and westbound traffic.

Because of the accident, Arlington Public Schools says secondary and elementary buses could be delayed for dropping off students. The district says impacted routes include routes 8, 30, 34, and 35. There is no word when the highway will reopen.

Troopers are investigating a deadly two-car crash that fully blocked SR-9 near Marysville Tuesday afternoon. The crash happened north of 132nd Street Northeast in the Sisco Heights area, between Arlington and Marysville.