VDOT’s Materials Division has issued Memorandum MD 478-25, revising Section 503 of the VDOT Materials Division’s Manual of Instructions. The new memorandum adds guidance for evaluating density during variable depth pavement build-up situations.
VDOT has also issued Materials Division Memorandum MD 474-25 notifying users of recent revisions to the VDOT Pavement Design Guide for Subdivisions and Secondary Roads in Virginia. The revised design guide can be found on VDOT’s website at: 2025 Pavement Design Guide for Subdivisions and Secondary Roads in Virginia