Detroit 73 miles
assuming that is the type of thing you are seeing and thereby asking about, it means that from that sign to the Detroit city limit on this route is 73 miles.
same for the post office, from that sign to the post office on this route.
Regulation or regulatory signs are the signs along the highway that are black and white in color. Think of speed limit signs. These signs indicate a law or regulation, whereas yellow signs are cautionary signs. They indicate a possible hazard or danger. Brown signs or green signs are generally information, blue indicate travel services or accomodations.
Office door signs can be purchased from most office supply stores. Office Depot, Office Max, and Staples all have a variety of office door signs for sale.
Stores like Office Max should carry many different signs for the office. Below is a link to Office Max's signage: http://www.officemax.com/office-supplies/signs/signage?csRedirectSearchString=signs&csRedirectSearchResultCount=99999&csSearchTag=true&_requestid=629780
One can buy office door signs from a company called Viking Signs. Also, there are small businesses that offer bespoke office door signs who sell via eBay.
Guide signs are large Rectangular green signs with white lettering that indicate distance and route direction. "A"
Blue signs with lettering typically indicate informational signage, such as signs for rest areas, hospitals, or service facilities. They are often used for direction and guidance purposes on highways and roadways.
There are many companies and websites that offer services when it comes to making office signs. Some of these companies that make office signs are Signs By Tomorrow and Office Sign Company.
signs or symptoms child is unwell
It depends on what type of signs. On road signs they may be speed limits or distances; on tankers, they may be indicative of hazardous substances.
Some signs that your engine control unit is not working properly are car failure, bad gas mileage, and your car running poorly. If your check engine light is on, that might also indicate an ECU problem.
Guide signs are large Rectangular green signs with white lettering that indicate distance and route direction. "A"
No