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Road signs in Bangladesh are similar to those used in some parts of the United Kingdom, except that they are multilingual.
Road signs in the Republic of Ireland do not differ greatly from those used elsewhere in Europe – with the notable exception that hazard or warning signs follow the 'MUTCD' style of a yellow diamond shape. The symbols used on these warning signs do, nevertheless, resemble much more closely those used in the rest of Europe than many of those seen in the United States.
Road signs in the United Kingdom and in its associated Crown dependencies and overseas territories conform broadly to European design norms, though a number of signs are unique: direction signs omit European route numbers, and road signs generally use the imperial system of units, unlike the rest of Europe. Signs in Wales (Welsh) and parts of Scotland are bilingual.
Road signs in Sweden are regulated in Vägmärkesförordningen, VMF (2007:90), and are to be placed 2 metres from the road with the sign 1.6 m from the base for motorized roads. Except for route numbers, there are a maximum of three signs on a pole, with the most important sign at the top. All signs have a reflective layer added on selected parts of the sign as is custom in European countries; most larger signs also have their own illumination.
Road signs in Italy conform to the general pattern of those used in most other European countries, with the notable exception that the background of motorway (autostrada) signs is green and those for 'normal' roads is blue. They are regulated by the Codice della Strada and by the Regolamento di Attuazione del Codice della Strada in conformity with the 1968 Vienna Convention on Road Signs and Signals.
Road signs in Thailand are standardized road signs similar to those used in other nations but much of it resembles road signage systems used in South American countries with certain differences, such as using a blue circle instead of a red-bordered white circle to indicate mandatory actions. Until the early 1980s, Thailand closely followed American, European, Australian, and Japanese practices in road sign design, with diamond-shaped warning signs and circular restrictive signs to regulate traffic. The Department of Railway maintains a standard on the typeface used in the sign, with custom made type for Thai text, unofficially named "Thang Luang" (อักษรทางหลวง) and a small derivation of FHWA Series fonts typeface, which is used on American road signage, for Latin text. In most Bangkok Metropolitan Area's routes, TS Lopburi is still used.
Road signs in India can vary in design, depending on the location. For most part, they tend to closely follow European practices, usually identical with the United Kingdom or the Vienna Convention on Road Signs and Signals, although yellow rectangular signs that do carry such messages like "Be gentle on my curves" and "Danger creeps when safety sleeps" are present nationwide. Road signs in India are metric.
Road signs in Iran are regulated in the INSO standard 14815-1. They generally follow the Vienna Convention on Road Signs and Signals.
Following international norms, road signs in Nepal are controlled by the Nepali Department of Roads and are heavily influenced by those used in the United Kingdom.
A wide variety of road signs are displayed in the People's Republic of China.
Road signs in Hong Kong are standardised by the Transport Department. Due to being a former British territory, the road signage in Hong Kong is similar to road signs in the United Kingdom, with the addition of Traditional Chinese characters.
Road signs in Estonia ensure that transport vehicles move safely and orderly, as well as to inform the participants of traffic built-in graphic icons. These icons are governed by the Vienna Convention on Road Traffic and Vienna Convention on Road Signs and Signals. The system is covered in Liiklusmärkide ja teemärgiste tähendused ning nõuded fooridele and the standards document EVS 613:2001 Traffic signs.
Road signs in Cambodia are standardized road signs are similar to those used in Europe but much of it resembles road signage systems used in South American countries with certain differences. The designs of road signage match their neighbours of Thailand and Malaysia, both of which adopt a modified version of the South American road signage system. Until the early 1980s, Cambodia closely followed American, European, Australian, and Japanese practices in road sign design, with diamond-shaped warning signs and circular restrictive signs to regulate traffic. Unlike Thailand and Malaysia, Cambodia does not use the FHWA Series fonts typeface, favouring Helvetica instead.
Road signs in Laos generally follow those used in most European countries as set out in the Vienna Convention on Road Signs and Signals. Despite this, the country itself has never signed the Vienna Convention on Road Signs and Signals. Inscriptions on traffic signs are in Lao, the national language of Laos. However, English is also used for stop and important public places such as tourist attractions, airports, railway stations, and immigration checkpoints. Both Lao and English are used on directional signage.
Road signs in Azerbaijan are similar to the road sign system of post-Soviet states that ensure that transport vehicles move safely and orderly, as well as to inform the participants of traffic built-in graphic icons. They generally conform to the Vienna Convention on Road Traffic and Vienna Convention on Road Signs and Signals.
Road signs in Vietnam follow Chinese and French road signs. Some signs are written in both Vietnamese and English. The signs are prescribed by the Vietnam Ministry of Transport with the 2019 standardization being the up-to-date regulations.
Road signs in Georgia are similar to the road sign system of other post-Soviet states that ensure that transport vehicles move safely and orderly, as well as to inform the participants of traffic built-in graphic icons. However, some road signs look a bit different from Soviet ones and closer to the European ones. These icons are governed by the Vienna Convention on Road Traffic and Vienna Convention on Road Signs and Signals.
Road signs in Kazakhstan are similar to the road sign system of other post-Soviet states that ensure that transport vehicles move safely and orderly, as well as to inform the participants of traffic built-in graphic icons. These icons are governed by the Vienna Convention on Road Traffic and Vienna Convention on Road Signs and Signals. Road signs are regulated by the СТ РК 1125-2021 standard.
Road signs in the Philippines are regulated and standardized by the Department of Public Works and Highways (DPWH). Most of the signs reflect minor influences from American and Australian signs but keep a design closer to the Vienna Convention on Road Signs and Signals, to which the Philippines is an original signatory. The Philippines signed the convention on November 8, 1968, and ratified it on December 27, 1973.
Road signs in Latvia conform to the general pattern of those used in most other European countries. They are regulated in Ceļu satiksmes noteikumi and the standards documents LVS 77–1:2016 "Ceļa zīmes. 1. daļa: Ceļa zīmes", LVS 77-2:2016 "Ceļa zīmes. 2. daļa: Uzstādīšanas noteikumi" and LVS 77-3:2016 "Ceļa zīmes. 3. daļa: Tehniskās prasības", in conformity with the 1968 Vienna Convention on Road Signs and Signals, to which Latvia acceded on October 19, 1992.
Road signs in South Africa are based on the SADC-Road Traffic Sign Manual, a document designed to harmonise traffic signs in member states of the Southern Africa Development Community. Most of these signs were in the preceding South African RTSM.