By- state page name SEO

[cantstop]

what is best kind of link structure for multi location website pages in terms of SEO? or give your opinion rating in best [top] to to worst [lowest] order 1]gocarttracks.com/westvirginia 2]gocarttracks.com/west_virginia 3]gocarttracks.com/west-virginia 4]gocarttracks.com/states/westvirginia 5]http://westvirginia.gocarttracks.com thank you for any input and advice or other possible structure suggestions

 

[Dirky47]

I vote for number 4. Its easy to read and Identify.

 

[john orton]

In my point of view 1st and 4th options is best.
Thanks

 

[aftermath1]

The fourth URL shows some proper hierarchy and is worth choosing as a permalink structure.
Underscores doesn't signify anything to Google so 2nd option is the worst. My order of preference. from high to low
4 3 1 2

 

[AJKpeter]

My vote is for third one

 

[NetWin]

I would go for 4 or 3.