Visitors to Bulgaria
may drive using their national license, as long as it complies
with international standards. It is advisable, however, to carry
an international license. Road signs follow international
standards. According to Bulgarian law seat belts must be worn by
all passengers, mobile phones can only be used with "hands-free"
sets. The limit of the admissible quantity of alcohol in blood
for drivers is 0,5 promil.
When choosing the
velocity of movement, motor vehicle drivers should not exceed
the following limitations:
Speed limits for cars are 50
km/h (30 mph) inside the city
limits, 90 km/h (55
mph) outside cities and 130 km/h (80
mph) on motorways.