R v Aaron Donnelly

For causing death by dangerous driving, culpability category A may be established by deliberate disregard of road rules and risk to others, or by speed significantly above the limit or highly inappropriate for prevailing conditions. Exact speed need not be proved where the evidence establishes exceptionally excessive speed. Where several factors substantially reflect one feature of conduct, a judge may avoid double counting when setting the starting point while separately recognising other risks as aggravating. Recent nitrous oxide use may aggravate sentence even without scientific proof of impairment. Genuine remorse and personal mitigation can justify a substantial reduction, but appellate interference is unwarranted where the sentence remains within the proper range.

The offender pleaded guilty in the Crown Court at Manchester to causing death by dangerous driving contrary to section 1 of the Road Traffic Act 1988. HHJ Usher imposed six years and nine months’ imprisonment and an eight-year-and-four-month driving disqualification.

The Solicitor General referred the sentence under section 36 of the Criminal Justice Act 1988 as unduly lenient. The offender sought leave to appeal on the ground that it was manifestly excessive. The central issues were whether the offence fell within culpability category A or B under the guideline, and whether the allowance for mitigation was excessive.

The court granted the Solicitor General leave to refer the sentence under section 36 of the Criminal Justice Act 1988, but declined to increase it. The offender’s application for leave to appeal was dismissed as unarguable.

1. The offence under section 1 of the Road Traffic Act 1988 involved the highest level of harm because death was caused. The guideline differentiated cases by culpability rather than by gradations of harm.
2. The judge was plainly entitled to place the offence in culpability category A. The evidence established a deliberate disregard of road rules and risk to others, and driving at a speed significantly above the limit and wholly inappropriate for the road conditions. The precise speed did not need to be established. The evidence showed that the vehicle had been driven far too fast.
3. The two category A factors substantially reflected the same underlying feature, namely the excessive speed. The judge was entitled to recognise that there was effectively one category A factor when adjusting the starting point. The risk to the other passengers and the use of nitrous oxide were properly treated as aggravating matters.
4. The court observed that it would itself have included the nitrous oxide among the culpability factors, given the surrounding evidence and the offender’s apparent intention to become intoxicated. The scientific evidence did not establish actual impairment, but that alternative view did not affect the sentence.
5. The three-year reduction for personal mitigation, including genuine remorse and the closeness of the friendship with the deceased, was substantial but remained within the range properly open to the judge. It was at the lenient end of that range, and no further reduction was justified. The sentence and driving disqualification therefore stood.

1. Court of Appeal (Criminal Division): On 21 January 2026, granted leave for the Solicitor General’s reference under section 36 of the Criminal Justice Act 1988, but declined to increase the sentence. The offender’s application for leave to appeal was dismissed.
2. Crown Court at Manchester: HHJ Usher sentenced the offender to six years and nine months’ imprisonment and disqualified him from driving for eight years and four months.