It's best suited for college campuses, military bases and corporate parks with low speed limits.
Potential can reduced by technology, for instance, speed limits or seat belts in cars.
The department is reviewing safety standards for the wheelchairs, including speed limits, technical requirements and training.
Or head to Las Vegas Motor Speedway where you can ignore speed limits on the racetrack.
The bill also devolves powers to legislate on drink-drive limits and national speed limits.
It has already seen variable speed limits introduced and the hard shoulder opened up to vehicles.
Highlighted too is the most insidious form of taxation of all: speed limits themselves.
Speed limits are heavily researched controls meant to reduce road fatalities and accommodate for road conditions.
States and cities consider several factors before setting speed limits and these factors can vary.
He said that too many drivers were blatantly ignoring speed limits, despite appeals by police.
But higher speed limits are unlikely to drag the economy out of the slow lane.
Enforcement of speed limits will be tightened by more extensive use of speed cameras.
The ring roads that roar around Mexico's big cities have speed limits of up to 80kph.
ECONOMIST: How half of Mexico ended up without driving tests
Speed limits are just an illusion with a dual-core 1.2 GHz processor and Verizon Wireless 4G LTE.
The agency said variable mandatory speed limits would be in place on that section of the M1.
Speed limits always trade time against safety, notes Stephen Glaister of the RAC Foundation, a motoring lobby.
They include new tax powers for Holyrood, as well as powers over drink-driving, speed limits and airguns.
Cyclists have taken to the streets to protest against changes to speed limits and junctions on Blackfriars Bridge.
BBC: TfL plans for Blackfriars Bridge spark cyclists protest
What speed limits rely on are drivers' conscience and the preventative power of the risk of getting caught.
It will be able to set drink-driving laws, national speed limits and legislation on the control of airguns.
Moreover, it can also factor such things as weather conditions and variable speed limits into the cars' behaviour.
The speed limits for the wheelchairs are 4mph on pavements - essentially walking pace - and 8mph on roads.
Speed limits might rise, too, with trust that robots can pilot the rush.
ENGADGET: Editorial: Self-driving cars FTW, but not for everybody
Trucking companies can limit speed limits by placing governors on their fleet vehicles.
Studies in Germany have shown that driving at slower speed limits lowers emissions.
Mr Greenhalgh said alternative safety measures were now being considered, including driver education and reduced speed limits in problem areas.
The Calman Commission had also recommended that the Scottish Parliament should control national speed limits, drink-driving laws and airguns legislation.
Green Party councillor Mark Ereira tabled a motion asking the Tory-run council to support communities in setting up 20mph speed limits.
For example, we're free to drive where we want, but we're supposed to adhere to speed limits and signal when turning.
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