In the UK parking enforcement is normally by lines and signs displayed in streets.
Why do I highlight lines and indications? It's because you can not have signs which implement a parking constraint without lines suggesting which part of the street the parking limitations impact. This may perhaps appear simplistic however if you consider let us say a no waiting indication the indication will define the times or days or in some cases month of the year - however how do drivers determine to exactly what period of the road the restriction uses?
A single yellow line suggests that there car park barriers is a parking constraint however that is not developed for 24/7. As a result so regarding understand what the actual constraint is there have to be indications showing the times and days that the prohibition applies. These indications, commonly described as repeater indications, need to be sited every 60 metres along the length of the pavement (pathway in the U.S.A) for the level of the single yellow line limitation to which it uses. As you can value there are areas where a single undisturbed yellow line would stretch for a significant distance so there is a legal dispensation under which those indications are not required.
This concession permits a local authority not to have repeater signs if there are indications, called Controlled Parking Zone indications, at the access to each street getting in the zone in which single yellow lines are painted. Such regulated parking zone signs must particularly state the restriction that applies to all single yellow lines in the zone.
Similarly the restrictions on loading need to be accompanied by a sign and in this case kerb markings. These kerb markings are occasionally known as chevrons otherwise "blips". A single yellow kerb mark shows that there is a packing prohibition but it does not in alone designate the days and times of that limitation only that it will not use 24/7. Therefore it needs to be accompanied by a sign offering the info relating to the restriction.
Double kerb marks kerb marks define that there is no loading 24/7 and despite the truth that this is a total restriction an indication showing that prohibition is compulsory to be positioned next to the kerb marking.
A double yellow line in a street indicates that there is a total 24/7 prohibition on parking (technically it's waiting instead of parking however everybody understands and uses the word parking). In this instance there is no requirement to have an indication showing that there is a 24/7 limitation.
So to sum up for all with the exception of double yellow lines there should be indications so the law is in these scenarios is: sign but no lines your parking ticket is not enforceable - lines but no signs your parking ticket is ticket can not be enforced.
In addition to yellow lines parking bays have restrictions - they are either exclusively meant for homeowners to park or for the public at big or even often a multi-purpose bay which can be utilized by both homeowners and any motorist Similarly there are parking bays which are limited to specific drivers - e.g. for disabled drivers or are restricted for specific functions - for instance loading only.
The universal feature of all these bays is that they need to have a sign to indicate the sort of limitation e.g. is it for citizens, handicapped drivers or packing only. In addition such signs are required to show the times and days that their use is limited. As soon as once again the law is if there are lines specifying the parking bay then there needs to be a sign revealing the nature of the prohibitions. For that reason if there is no sign any parking ticket motorists collect can not be enforced and you need to appeal.