Rules of the road Rules of the road and driving etiquette arethe general practices and procedures that roadusers are required to follow. These rulesusually apply to all road users, though they areof special importance to motorists and cyclists.These rules govern interactions betweenvehicles and with pedestrians.
Rules As a general rule, drivers are expected to avoid acollision with another vehicle and pedestrians,regardless of whether or not the applicable rulesof the road allow them to be where they happen tobe. In addition to the rules applicable by default, trafficsigns and traffic lights must be obeyed, andinstructions may be given by a police officer,either routinely (on a busy crossing instead oftraffic lights) or as road traffic control around aconstruction zone, accident, or other roaddisruption.
Traffic regulations In many countries, the rules of the road are codified, setting outthe legal requirements and punishments for breaking them. In the United Kingdom, the rules are set out in the HighwayCode, which includes obligations but also advice on how todrive sensibly and safely. In the United States, traffic laws are regulated by the statesand municipalities through their respective traffic codes. Mostof these are based at least in part on the Uniform VehicleCode, but there are variations from state to state. In statessuch as Florida, traffic law and criminal law are separate,therefore, unless someone flees a scene of an accident,commits vehicular homicide or manslaughter, they are onlyguilty of a minor traffic offense. However, states such as SouthCarolina have completely criminalized their traffic law, so, forexample, you are guilty of a misdemeanor simply for travelling5 miles over the speed limit.
Rules in other countries Not all countries are signatory to theconvention and, even among signatories, localvariations in practice may be found. There arealso unwritten local rules of the road, whichare generally understood by local drivers.
Rules in Mexico In towns:40 km/h On highways:80 km/h On motorways:110 km/h Right-hand driving/left-hand driving:Right-hand traffic Alcohol:80 mg/100 mL Seat belt mandatory:yes Mobile phone:Only hands-free telephones may be used. Toll fees:There are usage fees for some motorways (calledcuota).S pecific rules of the counry:Petrol: magna sin and premium(lead free)Every car (even hired cars) is prohibited in Mexico City oneday per week (identified by number plate).Speed humps are often used to enforce speed limits.
Road traffic safety Road traffic safety refers to methodsand measures for reducing the risk of aperson using the road network beingkilled or seriously injured. The users of aroadinclude pedestrians, cyclists, motorists,their passengers, and passengers of on-road public transport, mainly buses andtrams. Best-practice road safetystrategies focus upon the prevention ofserious injury and death crashes in spiteof human fallibility(which is contrastedwith the old road safety paradigm ofsimply reducing crashes assuming roaduser compliance with traffic regulations).Safe road design is now about providinga road environment which ensuresvehicle speeds will be within the humantolerances for serious injury and deathwherever conflict points exist.
Vehicle safety Cars Main article: Automobile safety Simulated crashes using crash test dummies can help improveautomobile design Safety can be improved by reducing the chances of a driver making anerror, or by designing vehicles to reduce the severity of crashes that dooccur. Most industrialized countries have comprehensive requirementsand specifications for safety-related vehicle devices, systems, design,and construction. These may include: Passenger restraints such as seat belts— often in conjunctionwith laws requiring their use— and airbags Crash avoidance equipment such as lights and reflectors Driver assistance systems such as Electronic Stability Control Crash survivability design including fire-retardant interior materials,standards for fuel system integrity, and the use of safety glass Sobriety detectors: These interlocks prevent the ignition key fromworking if the driver breathes into one and it detects significantquantities of alcohol. They have been used by some commercialtransport companies, or suggested for use with persistent drunk-driving
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