Highway Link Design (UK) Transition Lengths

[Anonymous]

I have an Alignment which I wish to use a q value (rate of increase of centripetal acceleration) of 0.6 metres / sec³

Refer Highway Link Design TD 9/93; 3.16 which states that  0.6 is permittable in difficult places. 

(Note March 2020, TD9/93 has been superseded with CD 109, refer 4.13 to 4.14)

When I use an "A Value" to specify the spiral/transition length using a value of 0.6 for q to calculate the "A Valuue", C3D returns the correct length of spiral, but the UKIE Alignment Geometry Checks reports this as a violation;

2.1 Spiral Curve:Clothoid
Start Station: 33.997
End Station: 76.864
Length: 42.867m
A: 87.841m
Design Speed: 60
Design Criteria:
Minimum Transition Length: 85.70 Violated
Design Checks
I have tweaked the design file "_Autodesk Civil 3D 2015 Road Design Standards UKIE-PLR.xml" as follows;

<TransitionLengthFormula minimumValue="0.0" roundingFactor="1.0" q="0.6" tLength="{v}^3/(46.7*{q}*{r})"/>
The only change I made to the file was to the value of q from 0.3 to 0.6, but the check report still uses a q of 0.3 to calculate the Minimum Transition Length.

Is there any way I can fix the design file in order to get rid of the warning triangles in C3D and the "Violated" message in the Geometry report when using a q value of 0.6 ?

Or is there another location within the C3D settings that I should be setting the q value?