Road signs in Singapore closely follow those laid down in the traffic sign regulations used in the United Kingdom, although a number of changes over the years have introduced some slight deviations that suit local road conditions (such as fonts). Road signs in Singapore conform to the local Highway Code under the authority of Singapore Traffic Police.
The Highway Code of Singapore Traffic Police is tested during the Basic Theory Test and Final Theory Test at either Ubi, Bukit Batok or Woodlands driving schools. The students are then to find either a school or private driving instructor to learn driving.
No official name is given to the typeface used on all official signs, but they are likely based on a bold and narrow variant of the Charles Wright typeface, which is also used for vehicle registration number plates.
Since the mid-1990s, signs have been placed on a backing board, making them square or rectangular and standardised to a width of 600 mm on most roads and 900 mm on expressways. Prior to the 1990s and after 1964, signs were cut out to their shape (e.g.: round signs were cut to be circular) as in most countries around the world. Prior to 1964, signs were in the pre-Worboys style with a couple of differences.
Singapore traffic signs use the English Language, one of the four official languages and the main language in the country. The three others – Malay, Chinese, and Tamil – and also Japanese are also used for important public places such as tourist attractions, airports and immigration checkpoints.
Warning signs indicate possible dangers or unusual conditions ahead and alert motorists, so they may anticipate the appropriate actions to take. They are usually shaped as triangles with a red border, and mounted on a borderless white backing board, which is similar to the United Kingdom traffic sign.
Regulatory signs either give positive instructions, i.e. Mandatory signs, or indicate a prohibition, i.e. Prohibitionary signs. Many regulatory signs are accompanied by supplementary plates that provide interdependent exceptions to the rule, or indicates additional instruction or information to facilitate understanding of the rule implemented.
Mandatory signs are generally circular with a white border and symbol on a blue background. They usually indicate something all drivers must do (e.g. keep left) or a facility available to certain classes of traffic (e.g. pedal cycles only).
The exceptions are the octagonal red STOP sign, the temporary STOP and GO signs and the triangular GIVE WAY sign.
Prohibitory signs, which generally tell drivers what they must not do, are mostly circular and have a red border. The red ring indicates the prohibition; diagonal bars are used only on signs which prohibit a specific manoeuvre, i.e. banned left or right turns and U-turns, or a certain class of vehicle, i.e. lorries (some signs looks similar to design of Australia).
Diagonal bars are excluded when restrictions are quantitative in nature, i.e. limits in speed, weight, axle, height, and width.
Information signs are signs that may be mounted to indicate a certain condition or nature of the road ahead that motorists need to take note. They are independent of existing mandatory and prohibitive signs. Such signs are usually white or blue and rectangular in shape.
Temporary work-zone signs (designated in amber orange signages) are mounted to ensure road users are notified in advance despite being affected by road works in the vicinity. It closely follows the American MUTCD traffic sign (e.g. vermillion diamond, vermillion rectangular or amber rectangular-shaped signs).
Two flashing Belisha Beacon are positioned, one on each side of the road, at a zebra crossing, which flashes from 7 pm to 7 am daily, indicating to an approaching motorist of a zebra crossing. Older crossings display the blue square zebra crossing signs on both sides (see above), which are synonymous to the flashing amber beacons, and are valid yet uncommon on the roads. The road markings and road dividers are white zig-zag lines that indicate a zebra crossing in the vicinity, similar to the United Kingdom and Republic of Ireland Zebra crossing rules.
On approach, regardless of the absence of any pedestrians, all motorists are required to keep left of the divider, prepare to stop and stay in their respective lanes, i.e. no overtaking is permitted.
When pedestrians are present at the side of a zebra crossing, all motorists are obligated to give priority to pedestrians crossing the zebra crossing bars, by stopping before the white line across the lane. No waiting is permitted within the vicinity of the zebra crossing.
A sign indicating a pedestrian crossing or a 'SLOW' painted on the road may be present as well.
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 Malaysia are standardised road signs similar to those used in Europe but with certain distinctions. Until the early 1980s, Malaysia closely practice in road sign design, with diamond-shaped warning signs and circular restrictive signs to regulate traffic. Signs usually use the Transport Heavy font on non-tolled roads and highways. Tolled expressways signs use a font specially designed for the Malaysian Highway Authority (LLM) which is LLM Lettering. It has two type of typefaces, LLM Narrow and LLM Normal. Older road signs used the FHWA Series fonts typeface also used in the United States, Canada, and Australia.
Road signs in Iceland are visual communication devices placed along roads and highways throughout the country to provide information, warnings, and guidance to motorists and pedestrians. Iceland never ratified the Vienna Convention on Road Signs and Signals, but road signs in Iceland conform to the general pattern of those used in most other European countries, with certain design elements borrowed from Danish and Swedish practice. Signs tend to be more sparsely employed than in other European countries, especially in rural areas.
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 Iran are regulated in the INSO standard 14815-1. They generally follow the Vienna Convention on Road Signs and Signals.
Road signs in South Korea are regulated by the Korean Road Traffic Authority.
Road signs in New Zealand are similar to those set by the Vienna Convention on Road Signs and Signals. While New Zealand is not a signatory to the convention, its road signs are generally close in shape and function. New Zealand uses yellow diamond-shaped signs for warnings in common with Australia, the Americas, Ireland, Japan and Thailand. Speed limit signs are a red circle with a white background and the limitation in black, and are in kilometres per hour. There are also some signs unique to New Zealand. Road signs in New Zealand are controlled by NZ Transport Agency Waka Kotahi and are prescribed in the Land Transport Rule: Traffic Control Devices 2004 and set out in the Traffic Control Devices (TCD) Manual.
Road signs in Ukraine are governed by a combination of standards set out by the Vienna Convention on Road Signs and Signals, the European Union (EU), and Ukraine Transport and Roads Agency. Ukrainian signs are similar to the signs of other post-Soviet states and are set out in 7 separate categories based on meaning: warning, priority, prohibitory, mandatory, information, service, and additional plates.
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 Indonesia are standardized road signs similar to those used in other nations but with certain distinctions. As a former Dutch colony, until the 1970s road signs in Indonesia closely followed The Netherlands rules on road signs. Nowadays, Indonesian road sign design are a mix of European, US MUTCD, Australia, New Zealand and Japanese road sign features. According to the 2014 Minister of Transport's Regulation No. 13 concerning Traffic Signs, the official typeface for road signs in Indonesia is Clearview. Indonesia formerly used FHWA Series fonts as the designated typeface though the rules are not being implemented properly.
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 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 France refer to all conventional signals installed on French roads and intended to ensure the safety of road users, either by informing them of the dangers and regulations relating to traffic as well as elements useful for decision-making, or by indicating to them the landmarks and equipment useful for their travel on the national territory. They generally largely follow the general European conventions concerning the use of shape and color to indicate their function. France is a signatory to the 1968 Vienna Convention on Road Signs and Signals. France signed the Vienna Convention on Road Signs and Signals on 8 November 1968 and ratified it on 9 December 1971.
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 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 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.
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 Republic of Portugal.
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.