The number of potholes repaired by councils in England and Wales has risen by more than a fifth, new figures show.
In 2018/19, around 1.86 million potholes were filled in compared with 1.53 million the previous 12 months, according to data from the Annual Local Authority Road Maintenance (Alarm) survey.
The annual report shows that maintenance budgets have increased from an average of £20.6 million to £24.5 million.
However, it warned the repairs were mostly "patch and mend", which is not a long-lasting fix.
There was also a "big discrepancy" in what different councils spent on roads.
The report highlighted that some local authorities in England received highway maintenance funding equivalent to more than £90,000 per mile last year, while a third struggled with reduced budgets including some having less than £9,000 per mile.
Councils would need to spend a total of £9.79 billion over 10 years to bring all their roads up to scratch, the report stated.
Martin Tett, the Local Government Association's transport spokesman, said: "Faced with severe financial pressures, councils have managed to spend more on road repairs in the past year in order to fix a pothole every 17 seconds.
"Despite these efforts, it is clear that our roads are deteriorating at a faster rate than can be repaired by councils, with the cost of clearing our alarming national roads repair backlog on the rise and now at almost £10 billion."