Because they damage the road very badly. Same with studded tires.
Tire chains may be illegal in certain areas because they can cause damage to the roads, increase road noise, and affect handling and braking performance on dry pavement. In regions where tire chains are prohibited, alternative options like snow tires or traction devices are recommended to improve traction in snowy or icy conditions.
buy the chains buy the chains
first thing you need to do is get the information on how to apply tire chains check out http://www.seattleauto.net/tire-chains-and-snow-tires-101.Then if you decide you'd like to get some tire chains checkout http://www.vulcantire.com/chainfaq.htm
Tire chains aren't as common as they once were, but are still a necessity usually in northern hilly climates. Check with your local tire seller to see if tire chains are used in your area.
The correct chains will match the tire size.
It depends where you live, but tire chains will certainly be very useful if you live in an area where there is a lot of snow in the winter. If you decide to get tire chains, it is important that you chose snow chains that fit your car.
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Depending upon the size of the tire and the specific needs for which you require them, the prize of tire chains vary. You can get WinterTrac brand chains at a minimum of $30.23 for 2; the prize of a set of 2 tire chains of Security Chain Company starts from $20.58 (and goes up to $125; You can check up at amazon.com or nextag.com shopping sites for more models and specific purposes like snow tire chains , tractor tire chains and so on.and
The cost of tractor tire chains is dependant on the the size the the tire. And, it also depends on the quality of chains. For example, 3/8 chain can be between $250 and $400.
Snow tire chains can be purchased at almost any store that sells tires in an area that it snows. Walmart is one place that sells snow tire chains. It is also possible to find them online at any tire store.
Between 40 and 150 pounds depending on what size of tire and if they're dual chains.
Tire chains are devices fitted to the tires of vehicles to provide maximum traction when driving through snow or ice. You can buy tire chains at any good motor store or mechanic.
Tyre chains are legal in the UK, but you must you must only use them on snow. It is illegal to drive on a cleared road with chains on due to the damage they cause to the surface. Chains are not very common because most UK roads are heavily gritted and cleared frequently, therefore there is little need for them.