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Comparing the year to end March 2015 with the same period in 2014:
all motor vehicle traffic increased by 1.8 %, to 312.4 billion vehicle miles
car traffic increased by 1.3 %
LGV traffic increased by 5.1 %, reaching a new peak of 45.5 billion vehicle miles
traffic volumes increased across all road classifications
minor rural road traffic increased the most, rising 4.9 % to reach 44.1 billion vehicle miles