The slowest I've ever seen was 5 MPH, but this was on private property.
55
The slowest speed ever recorded on a speeding ticket was 3 mph (5 km/h) over the limit.
Vadodara to Jambusar is the slowest train in India running @ 11 KM/Hour Speed. and taking 3.5 hours to complete 44KM stretch. Nilgiri express is officially slowest train running @ 10 KMs/Hour speed, but it is running in Hilli region and speed limit is obvious for it.
The slowest speed an object can move is zero.
the Elmatross is the slowest
The legal posted limit plus 5, or as fast as the slowest car in the long line of traffic in front of you.
about 9.3 mph
45
There are several Interstate Highways with a 75 MPH speed limit at various points throughout their span, but there isn't one which has that speed limit at every single point.
In the US, the maximum speed on an interstate highway is 70. Until recently, there were a couple of stretches of highway that were limitless.
"Double-nickel" refers to the speed limit of 55 mph that was mandated across the US in 1974 due to the oil crisis. This speed limit was intended to conserve fuel and promote road safety.
Planets travel slowest at their aphelion – the point in their orbit farthest from the sun. This is when they are moving at their slowest speed due to the effect of gravity.