Metric conversions The conversions given throughout The Highway Code are rounded but a detailed conversion chart is shown below. Miles Kilometres Miles Kilometres 1.00 1.61 40.00 64.37 5.00 8.05 45.00 72.42 10.00 16.09 50.00 80.47 15.00 24.14 55.00 88.51 20.00 32.19 60.00 96.56 25.00 40.23 65.00 104.60 30.00 48.28 70.00 112.65 35.00 56.33 - - Useful websites GOV.UK St John Ambulance St Andrewβs First Aid British Red Cross National Highways Highways England Transport Scotland Transport Wales Traffic England Traffic Scotland Traffic Wales Road Safety GB Ask the police: frequently asked questions database Traffic Penalty Tribunal (outside London) London Tribunals (inside London) Traveline European Commission β road safety abroad European New Car Assessment Programme Further reading Further information about good driving and riding practice can be found in the Driver and Vehicle Standards Agency books βThe Official DVSA Guide to Driving - the essential skillsβ and βThe Official DVSA Guide to Riding - the essential skillsβ.Information specifically for drivers of large vehicles can be found in βThe Official DVSA Guide to Driving Goods Vehiclesβ. Get information about the Blue Badge Scheme from your council. The Code of Practice is available from Department for Transport International Vehicle Standards Great Minster House 33 Horseferry Road London SW1P 4DR Tel 0300 330 3000 Further information about the use of special types of vehicles under the authority of the Road Vehicles (Authorisation of Special Types) (General) Order 2003 (STGO) or Special Orders can be found in the Special types enforcement guide. Further information about towing safely can be found at Tow a trailer with a car: safety checks Towing with a car Requirements for towing trailers in Great Britain