Road signs in Sri Lanka are standardized to closely follow those used in Europe with certain distinctions, and a number of changes have introduced road signs that suit as per local road and system. Sri Lankan government announced by a gazette that aimed to get a facelift and introduction of over 100 new road traffic signs. The new change will be replaced in colour and sizes and introduction of Variable-message sign & electronic digital sign boards in express highways. The Japanese government has granted LKR 1.24 billion to implement message signs in expressways. [1]
Language applicable traffic sign boards are in Sinhalese, Tamil and English. The motor traffic act (chapter 203) describes road traffic signs. [2]
Additional panels to be used with regulatory signs
Additional Panels to be used with Directional Informative Signs
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 Iran are regulated in the INSO standard 14815-1. They generally follow the Vienna Convention on Road Signs and Signals.
Road signs in Pakistan are modelled on the British road sign system, with an exceptional difference being that they are bilingual and contain messages in Urdu, the national language, and English, and in some cases, the local regional or provincial languages. Pakistan drives on the left side of the road and follows the left-hand traffic system. Vehicles must be overtaken on their right.
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.
Bosnia and Herzegovina is a signatory to the Vienna Convention on Road Signs and Signals. Therefore, road signs do not differ much from the rest of Europe, such as Croatia, Slovenia, Serbia and North Macedonia. Ministry of Transportation of Bosnia and Herzegovina regulates them. Bosnia and Herzegovina drives on the right as with the rest of Europe, except for Cyprus, Ireland, Malta and the United Kingdom. Bosnian and Herzegovinan road signs have two scripts, Latin and Cyrillic script.
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 Turkey conform to the general pattern of those used in most other European countries and set out in the Vienna Convention on Road Signs and Signals. They are regulated by the Trafik İşaretleri Elkitabi.
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 Mongolia are similar to the Soviet and other European road sign systems. Road signs are regulated in the MNS 4597:2014 standard and conform to the general pattern of road signs as set out in the Vienna Convention on Road Signs and Signals. Despite the fact that Mongolia was never part of the Soviet Union, the MNS 4597:2014 standard for road signs has many similarities with its post-Soviet counterparts based on the Soviet standard ГОСТ 10807-78 and the Russian standard ГОСТ Р 52290-2004. Mongolia acceded to the Vienna Convention on Road Signs and Signals on December 19, 1997.
Road signs in Armenia are similar to the signs of other post-Soviet states and most European road sign systems. Armenia is a signatory of the Vienna Convention on Road Traffic and the Vienna Convention on Road Signs and Signals. The Ministry of Transport regulates these icons, while the police enforces them. Road signs ensure transport vehicles move safely and orderly, as well as, to inform both pedestrians and motorists of traffic rules.
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 United Arab Emirates are modelled on the British road sign system that are regulated by the Roads and Transport Authority (RTA) Dubai and Department of Transport (DoT) Abu Dhabi. The English language typeface is Transport and the Arabic language typeface is Naskh.
Road signs in Saudi Arabia differ by locale, but they do tend to closely follow European practices with certain distinctions and conform to the general pattern as set out in the Vienna Convention of Road Signs and Signals. Road signs display text in Arabic language and English language. Distances are displayed in metric units and in Eastern Arabic numerals.
The road signs, used on the Serbian road network, are regulated by the "Regulation of Traffic Signs", which was last time modified in 2017.
Road signs in Portugal are governed by the Regulamento de Sinalização do Trânsito of the Portuguese Republic.
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 Cuba are regulated in Ley No. 109 Código de Seguridad Vial and generally conform to the 1968 Vienna Convention on Road Signs and Signals.
Road signs in Romania are regulated in Regulamentul de aplicare a Ordonanţei de urgenţă privind circulaţia pe drumurile publice.
Road signs in Angola are heavily modelled on road signs in Portugal, since Angola is a former Portuguese colony. They are regulated in Código de Estrada and conform to the general pattern of road signs as set out in the Vienna Convention on Road Signs and Signals. Despite this, Angola is not a signatory to this convention, but Portugal is.
Albania is a signatory to the Vienna Convention on Road Signs and Signals. Therefore, road signs do not differ much from the rest of Europe, such as Italy, San Marino, Montenegro and Kosovo. The Ministry of Infrastructure and Energy regulates them. Albania drives on the right as with the rest of Europe, except for Cyprus, Ireland, Malta and the United Kingdom. Although Albania is not a member of the European Union, the road signs largely follow the general European conventions concerning the use of shape and colour to indicate their function.