Yards are used seldom for signage in the United States.
We have an odd mixture of decimal miles (528 feet intervals, odometer gauages), fractional mile distance signs on interstate highways (halves, quarters, and sometimes even eighths) that your average citizen hasn't the faintest idea of the equivalent on a decimal odometer (except, of course for 1/2 equalling 0.5) and hundreds and thousands of feet, seen more with construction signs "work zone in 2,000 feet." You run into a gray area when you go below 1/2 mi. (2,640 ft.) and 2,000 feet (slightly more than 3/8 mi.) You will also see some (I think silly/ugly) 0.1 mi. 0.3 mi. distances, generally on the signage indicating distances to fuel stations, restaurants coming off of an interstate. I suppose this is to make it easier for math/imperial-illiterate motorists.
Yards are only used on football fields, golf, and some archery, shooting, although I don't know if there is any rule forbidding them on roadways.
For general walking distances, you only see miles, then feet. Heights such as bridge clearances are expressed in feet and inches.
As far as preference, I prefer the proper miles, fractional miles, yards, and then feet, but I'm sure I'm in the minority.
U.S. customary has become almost a metric system with the decimal mile and kilofoot. Halves and quarter miles are more historical retentions, vagueries used in describing distance by walking. I think it's just a matter of road crews being too lazy to reset signs to be even tenths that one can actually measure on the gauge.
Another interesting thing I noticed this past summer in the car with some colleagues from Europe, South America, the GPS they had set to SI units, but it still called off distances in round numbers of miles and just converted: 0.8km = 1/2mi 1.6 km = 1 mi. etc.
I'd be annoyed if I were in Canada and had a GPS calling out 5/8 mi or 0.6 mi (1 km) and 5/16 mi. or 0.3 mi. increments.
So, I'd recommend miles, halves, and quarters, then tenths then feet. I'd buy your app if it gave me an option of fractions or decimals, yards or feet. :-)
In the UK we still use miles on all our road signs.
For smaller distances you will hear people use feet+inches or m/cm. It seems to be more of a generational thing with younger people tending to opt for metric.
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抱歉回复晚了。
在美国，庭院很少用作标牌。
我们有一个奇怪的混合十进制英里（528英尺间隔，里程表仪表），州际高速公路上的分数英里距离标志（二分之一，四分之一，有时甚至八分之一），你的普通公民对十进制的等值没有最模糊的概念里程表（当然，1/2 等于 0.5 除外）和成百上千英尺，更多见于建筑标志“2,000 英尺内的工作区”。当您低于 1/2 英里时，您就会进入灰色区域。 （2,640 英尺）和 2,000 英尺（略大于 3/8 英里）您还会看到一些（我认为愚蠢/丑陋的）0.1 英里。 0.3 英里。距离，通常在标牌上指示距州际公路的加油站、餐馆的距离。我想这是为了让数学/帝国文盲的驾车者更容易。
码子只用在足球场、高尔夫球场和一些射箭、射击场上，虽然我不知道是否有任何规则禁止在道路上使用。
对于一般步行距离，您只能看到英里，然后是英尺。桥梁间隙等高度以英尺和英寸表示。
就偏好而言，我更喜欢正确的英里、分数英里、码，然后是英尺，但我确信我属于少数。
美国习惯几乎已经成为一种带有十进制英里和千英尺的公制系统。半英里和四分之一英里更多地是历史保留，用于描述步行距离的含糊不清。我认为这只是道路工作人员懒得将标志重置为仪表实际测量值的十分之一的问题。
去年夏天，我和一些来自欧洲、南美的同事在车里注意到另一件有趣的事情，他们将 GPS 设置为 SI 单位，但它仍然以整数英里为单位计算距离，只是转换为：0.8 公里 = 1/2 英里1.6 公里 = 1 英里。 。
如果我在加拿大并且 GPS 标出 5/8 英里或 0.6 英里（1 公里）和 5/16 英里，我会很恼火 或 0.3 英里。增量。
因此，我建议使用英里、二分之一英里和四分之一英里，然后是十分之一，然后是英尺。如果你的应用程序能够让我选择分数或小数、码或英尺，我就会购买。 :-)
Sorry for the late response.
Yards are used seldom for signage in the United States.
We have an odd mixture of decimal miles (528 feet intervals, odometer gauages), fractional mile distance signs on interstate highways (halves, quarters, and sometimes even eighths) that your average citizen hasn't the faintest idea of the equivalent on a decimal odometer (except, of course for 1/2 equalling 0.5) and hundreds and thousands of feet, seen more with construction signs "work zone in 2,000 feet." You run into a gray area when you go below 1/2 mi. (2,640 ft.) and 2,000 feet (slightly more than 3/8 mi.) You will also see some (I think silly/ugly) 0.1 mi. 0.3 mi. distances, generally on the signage indicating distances to fuel stations, restaurants coming off of an interstate. I suppose this is to make it easier for math/imperial-illiterate motorists.
Yards are only used on football fields, golf, and some archery, shooting, although I don't know if there is any rule forbidding them on roadways.
For general walking distances, you only see miles, then feet. Heights such as bridge clearances are expressed in feet and inches.
As far as preference, I prefer the proper miles, fractional miles, yards, and then feet, but I'm sure I'm in the minority.
U.S. customary has become almost a metric system with the decimal mile and kilofoot. Halves and quarter miles are more historical retentions, vagueries used in describing distance by walking. I think it's just a matter of road crews being too lazy to reset signs to be even tenths that one can actually measure on the gauge.
Another interesting thing I noticed this past summer in the car with some colleagues from Europe, South America, the GPS they had set to SI units, but it still called off distances in round numbers of miles and just converted: 0.8km = 1/2mi 1.6 km = 1 mi. etc.
I'd be annoyed if I were in Canada and had a GPS calling out 5/8 mi or 0.6 mi (1 km) and 5/16 mi. or 0.3 mi. increments.
So, I'd recommend miles, halves, and quarters, then tenths then feet. I'd buy your app if it gave me an option of fractions or decimals, yards or feet. :-)
Google 地图 是做出此决定的最佳参考地点。
他们似乎使用小数英里（精确到小数点后一位）直到 0.1 英里，然后改用英尺。
Google Maps is as good a place as any to reference for this decision.
They seem to use fractional miles (to one decimal place) down until 0.1 miles, then switch over to feet.
找不到任何可靠的规则实例，但我认为我们美国佬会使用英里和码来描述距离。
Can't find any solid instances of rules, but I would think we Yanks would use miles and yards for describing distances.
在英国，我们所有的路标上仍然使用里程。
对于较小的距离，您会听到人们使用英尺+英寸或米/厘米。这似乎更像是一个世代问题，年轻人倾向于选择公制。
In the UK we still use miles on all our road signs.
For smaller distances you will hear people use feet+inches or m/cm. It seems to be more of a generational thing with younger people tending to opt for metric.