The Aberdeen Donside MSP experienced the chaos and confusion of morning driving conditions in Stoneywood as reports surfaced of major road works being carried out on the first day of school term after the October holidays.
There were no official notices or warnings in place from Aberdeen City Council or local contractors at the time of the traffic hold-ups.
The council appeared to indicate that the works were not permitted to occur on Monday and should have been confined to the weekend. Officers apparently took subsequent action later in the day to get the contractors to cease operations.
Mr McDonald said: "I am seeking answers from the city council as to how major road works were allowed to happen without any clear warning to drivers and residents and seemingly beyond the timescale the council put in place for them.
"I was one of many hundreds of people held up by these ridiculous delays on what was already a busy day back at work and school for many people in Aberdeen. If, as it has been reported, these road works were being done by a contractor in the area then we urgently need to know how this was allowed to happen, and why it took so long for the matter to be rectified.
"This debacle created major frustration and resulted in many people being late for work, school and appointments which will have created knock on effects for local businesses and services. The council and contractor must make clear what they are going to do to ensure situations like this do not arise again in future."