Highways and roads were the most important public asset in British Columbia, accounting for 59% of total public infrastructure stock. The average age of this asset displayed a steady ageing trend from 12.2 years in 1968 to 16.5 years in 2003. The trend has reversed timidly in 2004 as a result of increased investment and the discarding of older investments. However, the average age was still above the national average in 2007, standing at 15.8 years. This is the only asset type in British Columbia with an average age above the national average.
As a percentage of the estimated useful life, British Columbia was consistently below the national average until 2002 when the trend reversed. In 2007, roads and highways in British Columbia had reached 56% of their estimated useful life, compared with 53% nationally.