1a) I began to decrease when I know the speed is going to change.
IE:) Going from my house to town (a 2mile trip) the speed limit goes from 55mph to 30mph w/ only a sign that says the speed limit ahead is going to drop to 30. At that sign, I remove the foot from the gas, and @30yards to the 30MPH sign, I brake to finish bringing me down.
And usually I slow even farther down as the "city" limit is at a train track and I don't want to bottom out/go air born.
1b)I usually don't speed up until I'm about 30yards away from the new speed limit sign.
iirc, the Speed Limit is from Sign to Sign.
If I'm doing 55 because in 100yards the new sign says I can, but I'm still in a 30/45 Speed zone I can get a ticket (and in the towns around me, this is how most of the cops get you. Either coming into or out of the towns to fast).
2) I dunno. America is cool like that?
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WoW:
Sandinmygum: 80 Troll Hunter - Shadowsong (retired-ish)
Sandinmyeye: 80 Orc DK - Shadowsong (needs gear)
Sandinmyhex: XX Troll Priest - Shadowsong
>8< FFXI: Retired, forever I think
Tsukaremash*ta: 75 DRG, and other jobs