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240-Country Visual Clues: Deductive Search & Plate Decoder

Cross-filter 240 sovereign jurisdictions by combining Traffic Side (76 LHT / 164 RHT) × IEC Wall Socket (Type A–O) × License Plate / Centerline, or decode any visible prefix (+44, 粤A, 305, G315) in real time.

1. Traffic:
2. Socket:
3. Plate/Road:
QUICK PLATE / AREA CODE / SHIELD DECODER (CLICK TO INSPECT COUNTRY)Try: 305, 03, 34, 604, 020, I-95
MATCHED JURISDICTIONS: 241 OF 241Click any jurisdiction to load field dossier →
Showing 12 of 241 matched countries
SOVEREIGN FIELD DOSSIER // US

United States

Right (RHT)
ITU CALLING & UTC
+1 · −10:00 to –05:00
INDOOR WALL SOCKET
TYPE A / B (120V)
PLATE & ROAD MARKING STANDARD
300×150mm (2:1 North American / APAC Ratio) · Yellow Center Line
Interstate & US Highway ShieldsStrong Lock

Red-and-blue pointed Interstate shield; odd numbers run N–S (I-5 west to I-95 east), even numbers run W–E (I-10 south to I-90 north).

→ Exact interstate corridor; 3-digit shields (e.g. I-295, I-405) lock to a specific metro beltway.
Yellow Centerlines & Speed SignsStrong Lock

Double-yellow center divider + white rectangular “SPEED LIMIT XX” in black Highway Gothic font.

→ North America (distinguishes US from Canada’s “MAXIMUM” km/h signs).
Timber Utility Poles & Transformer CansMedium Lock

Creosote-treated round wood poles with cylindrical gray pole-mount transformers and NEMA Type-B service drops.

→ US / Canada suburban distribution grid.

Complete 240-Country Forensic Reference Matrix

Full tabular index of driving side, historical switch dates, IEC electrical socket types, ITU telephone calling prefixes, and solar UTC bands across all 241 sovereign jurisdictions.

Jurisdiction / TerritoryTraffic SideIEC SocketsITU Calling CodeSolar UTC BandInfrastructure & Switch Note
Australia
Left (LHT)TYPE I+61+08:00 to +10:30British colonies before 1901. Includes Australian external territories.
Canada
Right (RHT)TYPE A / B+1−08:00 to –03:30British Columbia: Interior changed 15 July 1920, Vancouver and the coastal area 1 January 1922; Newfoundland and Labrador: Was a British Dominion until 1949.
China
Right (RHT)TYPE I+86+08:00[Switched: 1946]Parts of China were LHT in the 1930s.
Germany
Right (RHT)TYPE C / F+49+01:00Standard Right (RHT) roadway network with TYPE C / F indoor electrical distribution (230V · 50Hz).
Israel
Right (RHT)TYPE C / F+972+02:00Standard Right (RHT) roadway network with TYPE C / F indoor electrical distribution (230V · 50Hz).
Japan
Left (LHT)TYPE A / B+81+09:00LHT was enacted in law in 1924. One of the few non-British-colony countries to use LHT. Okinawa Prefecture was RHT from 24 June 1945 to 30 July 1978 because of American rule.
Mexico
Right (RHT)TYPE A / B+52−08:00 to –05:00Standard Right (RHT) roadway network with TYPE A / B indoor electrical distribution (120V · 60Hz).
New Zealand
Left (LHT)TYPE I+64+12:00These Pacific islands, including territories Niue and Cook Islands, were former British colonies.
Turkey
Right (RHT)TYPE C / F+90+03:00Except Metrobus, which is usually LHT.
United Kingdom
Left (LHT)TYPE G+44+00:00An island nation with a land border with the Republic of Ireland, which is also LHT. Also LHT are the British Overseas Territories of Anguilla, Ascension Island, Montserrat, Saint Helena, and Tristan da Cunha. The Heathrow airport PRT uses RHT.
United States
Right (RHT)TYPE A / B+1−10:00 to –05:00British colonies before 1776 (de facto) or 1783 (de jure)
Afghanistan
Right (RHT)TYPE C / F+93+04:30[Switched: 1955]Kabul adopted RHT in 1955.
Alaska
Right (RHT)TYPE C / F+—UTCpart of United States
Albania
Right (RHT)TYPE C / F+355+01:00[Switched: 1926]Standard Right (RHT) roadway network with TYPE C / F indoor electrical distribution (230V · 50Hz).
Algeria
Right (RHT)TYPE C / F+213+01:00[Switched: 1900]Part of France until 1962.
American Samoa
Right (RHT)TYPE A / B+1-684−11:00part of United States
Andorra
Right (RHT)TYPE C / F+376+01:00[Switched: 1724]Landlocked between France and Spain.
Angola
Right (RHT)TYPE C / F+244+01:00[Switched: 1928]Portuguese colony until 1975.
Anguilla
Left (LHT)TYPE C / F+1-264−04:00British territory
Antigua and Barbuda
Left (LHT)TYPE C / F+1-268−04:00These Caribbean islands were a British colony until 1958.
Argentina
Right (RHT)TYPE I+54−03:00[Switched: 10 June 1945]The anniversary on 10 June is still observed each year as Día de la Seguridad Vial (road safety day).
Armenia
Right (RHT)TYPE C / F+374+04:00[Switched: 1923]Standard Right (RHT) roadway network with TYPE C / F indoor electrical distribution (230V · 50Hz).
Aruba
Right (RHT)TYPE A / B+297−04:00Netherlands
Austria
Right (RHT)TYPE C / F+43+01:00[Switched: 1921–38]Originally LHT, like most of Austria-Hungary, but switched sides after the annexation of Austria by Nazi Germany.