[A Cobra guy]

I have a LenTec AOD in my car. The power is a stock 302. The trans is 9 years old and has been great for over 60,000 miles.
Coming home from dinner Saturday night there was a noise and 3rd gear no longer worked. I was 8 miles from where I was staying on a VERY dark and isolated road so I kept going. The car made it home just fine.
Before the noise the trans would hold in gear. Now additional to no 3rd it coasts in 2nd gear. Reverse works, it is not leaking, and is not making any noise while runing.
It is about 100 miles from where the car is now to my house. The big question is "Can I drive this car home?" With only 2nd gear 50 - 55 mph is a realistic top speed so secondary roads would be in order.

Input please from AOD experts.