Driving Rules & Tyre Laws for Every Country
Speed limits, traffic regulations, equipment requirements and tyre laws for 195 countries and all 50 US states.
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Fuel Economy Converter 2026: MPG (US/UK) to L/100 km
30 US mpg is 7.84 L/100 km and 30 UK mpg is 9.42. Switch between mpg, L/100 km and km/L, then work out the litres, gallons and fuel cost of a road trip.
Tyre (Tire) Pressure Converter 2026: 2.4 bar = 34.8 psi
Type a tyre (tire) pressure in bar, psi or kPa and get the other two units at once: 2.4 bar is 34.8 psi or 240 kPa. A 1.6 to 3.5 bar chart sits below.
Europe Route Planner 2026: Speed, Kit and Vignettes per Border
Enter a start and destination and the route planner returns each country's speed limits, mandatory kit, tyre rules and vignette, on OpenStreetMap routing.
Plan My Drive 2026: A Europe Road Trip Planner, 67 Countries
Fuel type and registration year give your Euro class; this Europe road trip planner then lists the stickers, vignettes, tyre dates and kit for each country.
Traffic Laws by State 2026: US Road Trip Limits, 55 to 85 mph
Limits run from 55 to 85 mph, Utah's alcohol limit is 0.05 and phone bans stop at some state lines. Compare traffic laws by state along your US road trip.
Crit'Air Sticker 2026: EUR 5.11 by Post, Plus Every Other EU Sticker
A Crit'Air sticker costs EUR 5.11 posted abroad, sold only by certificat-air.gouv.fr; Germany's green Plakette is EUR 5-15; Belgium's registration is free.
Tyre Laws by Country
Winter Tyre Regulations
Tread depth requirements & seasonal rules
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Latest from the Blog
What Does XL Mean on Tyres (Tires)? Extra Load 2026
XL on a tyre means extra load (reinforced): a stronger carcass for a higher load index at a higher pressure. When you need XL tyres and how to inflate them correctly.
UTQG Ratings Explained: Tyre (Tire) Grades Guide 2026
UTQG ratings explained: what the treadwear number, AA-C traction and A-C temperature grades mean, which tyres are exempt, and how to compare them.
Tyre Wet Grip Rating 2026: A to E EU Label Chart
Tyre wet grip rating explained: the EU label grades car tyres A to E by a wet grip index measured against a reference tyre. What A vs C means for braking.
Tyre Outer Edge Wear: Uneven Wear Patterns Chart 2026
Tyre outer edge wear on both shoulders usually means low pressure; on one shoulder, alignment. Chart of uneven wear patterns, causes and fixes for 2026.
Tyre Life Calculator 2026: How Many Miles Tyres Last
Tyre life calculator explained: tread wear bars, the 6-10 year age limit some makers set, and how UTQG treadwear grades compare tyre mileage.
Tyre DOT Code Explained — How to Read the Date Code (2026)
Tyre DOT code explained: the last four digits of the TIN give the week and year the tyre was made, How to find it on the sidewall, read it and judge the tyre's age.
Tyre (Tire) Tread Depth: Legal Limits & Wear Bars 2026
How to read tyre tread wear bars, measure tread depth with a gauge and check the legal minimum before driving abroad in 2026, plus when to replace.
Trailer Tyre (Tire) Pressure When Towing & Loaded 2026
Trailer tyre pressure when towing: use the trailer placard's cold figure, the tow car's full-load setting, check tyres cold, never above the sidewall max.
Tire Size Speedometer Calculator: Error Explained (2026)
Bigger tyres make the speedometer read low, smaller ones high. How tyre size shifts speedo error, what rules allow and what to check after a size change.
Tire Pressure Monitoring System: TPMS Light & Law 2026
Tire pressure monitoring system explained: steady vs flashing TPMS light, sensor faults, resetting, and rules for US, UK, Canadian and Australian cars.
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