[CindyDawg]

A few reasons. No collar. She's a mutt. It is a major highway. There aren't any homes near. She was so hungry she ate my diet chips (yuk) She's scared of people and most importantly, she's in the stray dog squash zone. There is always the possibility she wasn't dumped but... nah.

[HairOfTheDog]

Well, you never know... Homer goes MILES when he escapes.