Earlier this month we showed you what it was like to drive 85 mph on Texas' State Highway 130 toll road, which will have the highest speed limits in the Western Hemisphere when that section opens up later this year.

I shift into fifth gear and hit 70 mph as I merge onto the State Highway 130 toll road east of Austin. The speed limit on this road is 80 mph, so that's where I stop accelerating until a Chevy Tahoe packed with children passes me in the left lane, probably doing around 90. Then I decide to push the accelerator a bit…

In a surprise move, Transportation Secretary Ray LaHood stepped down this morning and announced he will be replaced by a collective of super nerds. Their first act is to institute these new equation-based speed limits.

Texans are one step closer to being able to drive 85 MPH legally on certain stretches of road, with the state's department of transportation announcing this week that they're testing out sections of a toll road between Austin and San Antonio to determine if it can handle the speeds. Yeehaw!

Many states populate their highways with ominous 'Speed Limit Enforced By Aircraft' signs — as if squadrons of F-16s fly overhead waiting to pop motorists for going 10 mph over the speed limit. While there are states that still use planes to enforce the speed limit, there's one member of the Union that mostly just…

In response to Virginia raising some of its speed limits to 70 mph, TomTom has compiled navigation data to determine average highway speeds by state. Do any of these seem a bit slow to you? [WSJ]

Speed limits, like death and taxes, are unfortunate parts of life, but rarely are they this obnoxious. Highways? 55 MPH. Sure. In-town? 35MPH. Fine. Pedestrian areas? 5-10 MPH. Whatever. But 12 1/2MPH at a hospital? Really!? [via Imgur]

Faced with dwindling resources, overcrowded prisons and much more significant crimes, Detroit police are now ignoring traffic infractions. Below, ABC News describes an incident where Detroit's police chief let someone driving without a license go with merely a warning.