11:05 UPDATE – Hwy 105 East is now closed from FM 1485 to FM 1484.
UPDATE – The 18-wheeler was loaded with highly flammable Propylene Oxide. It is not leaking, but damaged in such a way that it must be transferred to another truck before the area can be opened.
Hwy 105 will likely be closed for several more hours.
BREAKING NEWS — Hwy 105 E is completely closed between Milmac and FM 1484 and will be for some time, due to 18-wheeler hazardous materials spill.
Please avoid the area so crews can get through.
Additional details will be posted as they become available.