Inspector Katie McDonald dismissed an appeal by Gladman against the failure of Mansfield District Council to determine the outline application.
The plans propose 240 homes on an 11-hectare arable site on the edge of the town of Mansfield, with 20 per cent affordable housing plus public open space.
In her report, McDonald said she gave "extremely substantial weight" to the harm that the development could caused to highway safety and the free flow of traffic.
Her decision letter said: "…I find it entirely appropriate to apply a precautionary principle as I am not satisfied that there would not be an unacceptable effect upon highway safety or a severe residual cumulative impact on the road network."
This meant that the proposals were in conflict with the council's local plan and National Planning Policy Framework proposals, she said.
The weight given to the issue outweighed the benefits in favour of the proposal, McDonald said, which include the provision of new market and affordable housing.
The inspector concluded that the National Planning Policy Framework's presumption in favour of sustainable development should apply in this case because the council could not demonstrate that it had the required five-year supply of housing land based on existing policies.
She decided to reject the appellant's argument that she should use its emerging local plan (ELP) – which includes a higher housing target – as the basis for her calculations.
Justifying that decision, she said that "it cannot be guaranteed that this exact figure will be brought forward into the ELP nor that the ELP will even be adopted as part of the development plan. It would be both unreasonable and unjustified to use the ELP housing need figure."
Last month, a planning inspector dismissed an appeal by Gladman against a council's refusal for a 420-home development despite the local authority lacking a five-year housing land supply.
In October, Gladman withdrew an application for a 190-home development in Norfolk deemed by planners to be "premature" ahead of the adoption of the council's emerging local plan, despite the local authority being unable to demonstrate a five year housing land supply.