Interesting stuff about right versus left side of the road driving at:
http://www.travel-library.com/general/driv...which_side.html
It seems that of the countries they list (240 total) 74 of them drive on the left side of the road and 166 are ride side of the roaders....
Also some info on why the various countries chose which side....
Right side of the road countries
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R Afghanistan
R Albania
R Algeria
R American Samoa
R Andorra
R Angola
R Argentina
R Armenia
R Aruba
R Austria
R Azerbaijan
R Bahrain
R Belarus
R Belgium
R Belize
R Benin
R Bolivia
R Bosnia and Herzegovina
R Brazil
R British Indian Ocean Territory (Diego Garcia)
R Bulgaria
R Burkina Faso
R Burundi
R Cambodia
R Cameroon
R Canada
R Cape Verde
R Central African Republic
R Chad
R Chile
R China, People's Republic of (Mainland China)
R Colombia
R Comoros
R Congo
R Costa Rica
R Croatia
R Cuba
R Czech Republic
R Denmark
R Djibouti
R Dominican Republic
R Ecuador
R Egypt
R El Salvador
R Equatorial Guinea
R Eritrea
R Estonia
R Ethiopia
R Faroe Islands (Denmark)
R Finland
R France
R French Guiana
R French Polynesia
R Gabon
R Gambia, The
R Gaza Strip
R Georgia
R Germany
R Ghana
R Gibraltar
R Greece
R Greenland
R Guadeloupe (French West Indies)
R Guam
R Guatemala
R Guinea
R Guinea-Bissau
R Haiti
R Honduras
R Hungary
R Iceland
R Iran
R Iraq
R Israel
R Italy
R Ivory Coast
R Jordan
R Kazakhstan
R Korea, Democratic People's Republic of (North Korea)
R Korea, Republic of (South Korea)
R Kuwait
R Kyrgyzstan
R Laos
R Latvia
R Lebanon
R Liberia
R Libya
R Liechtenstein
R Lithuania
R Luxembourg
R Macedonia
R Madagascar
R Mali
R Marshall Islands
R Martinique (French West Indies)
R Mauritania
R Mayotte (France)
R Mexico
R Micronesia, Federated States of
R Midway Islands (USA)
R Moldova
R Monaco
R Mongolia
R Morocco
R Myanmar (Burma)
R Netherlands
R Netherlands Antilles (Curacao, St. Maarten, St. Eustatius, Saba)
R New Caledonia
R Nicaragua
R Niger
R Nigeria
R Northern Mariana Islands (Saipan)
R Norway
R Oman
R Palau
R Panama
R Paraguay
R Peru
R Philippines
R Poland
R Portugal
R Puerto Rico
R Qatar
R Reunion
R Romania
R Russia
R Rwanda
R Saint Barthélemy (French West Indies)
R Saint Martin (French West Indies)
R Saint Pierre and Miquelon (France)
R Samoa
R San Marino
R Sao Tome e Principe
R Saudi Arabia
R Senegal
R Sierra Leone
R Slovakia
R Slovenia
R Somalia (a part of Somalia trying to assert independence, Somaliland, drives on the left
R Spain
R Sudan
R Svalbard (Norway)
R Sweden
R Switzerland
R Syria
R Taiwan
R Tajikistan
R Togo
R Tunisia
R Turkey
R Turkmenistan
R Ukraine
R United Arab Emirates
R United States
R Uruguay
R Uzbekistan
R Vanuatu
R Venezuela
R Vietnam
R Wake Island (USA)
R Wallis and Futuna Islands [Fr.]
R West Bank
R Western Sahara (ex Spanish Sahara)
R Yemen
R Yugoslavia (Serbia and Montenegro)
R Zaire
Wrong...err, I mean Left side of the road countries
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L Anguilla
L Antigua and Barbuda
L Australia
L Bahamas
L Bangladesh
L Barbados
L Bermuda
L Bhutan
L Botswana
L Brunei
L Cayman Islands
L Christmas Island (Australia)
L Cocos (Keeling) Islands (Australia)
L Cook Islands
L Cyprus
L Dominica
L East Timor
L Falkland Islands
L Fiji
L Grenada
L Guernsey (Channel Islands)
L Guyana
L Hong Kong
L India
L Indonesia
L Ireland
L Isle of Man
L Jamaica
L Japan
L Jersey (Channel Islands)
L Kenya
L Kiribati
L Lesotho
L Macau
L Malawi
L Malaysia
L Maldives
L Malta
L Mauritius
L Montserrat
L Mozambique
L Namibia
L Nauru
L Nepal
L New Zealand
L Niue
L Norfolk Island (Australia)
L Pakistan
L Papua New Guinea
L Pitcairn Islands (Britain)
L Saint Helena
L Saint Kitts and Nevis
L Saint Lucia
L Saint Vincent and the Grenadines
L Seychelles
L Singapore
L Solomon Islands
L South Africa
L Sri Lanka
L Suriname
L Swaziland
L Tanzania
L Thailand
L Tokelau (New Zealand)
L Tonga
L Trinidad and Tobago
L Turks and Caicos Islands
L Tuvalu
L Uganda
L United Kingdom
L Virgin Islands (British)
L Virgin Islands (US)
L Zambia
L Zimbabwe