Threatened with a call for a parliamentary enquiry should approval continue to be withheld , the Railway Inspectorate reconsidered .
Threatened with a call for a parliamentary enquiry should approval continue to be withheld , the Railway Inspectorate approved the bridge un-modified .
Threatened with a call for a parliamentary enquiry should approval continue to be withheld , the Railway Inspectorate reconsidered and approved the bridge un-modified .