That import process retains the accuracy of the original alignment. Below are AutoCAD report of a simple alignment and the MXRoad report for the same alignment imported into MX.
AutoCAD Details
at point X= 11.8431 Y= 44.7112 Z= 0.0000
at point X= 127.3140 Y= 71.3794 Z= 0.0000
bulge -0.1027
center X= 184.6963 Y=-177.0804 Z= 0.0000
radius 255.0000
start angle 103
end angle 80
at point X= 230.9973 Y= 73.6809 Z= 0.0000
at point X= 392.1829 Y= 43.9193 Z= 0.0000
MXRoad Details
POINT ----X------ ----Y------ ----Z----- -----C----- -----B----- -----R----- ----G---- -M-VALUE- HCOD VCOD HNAM VNAM
1 11.843 44.711 -999.000 0.000 76 59 43.6 INFINITY 0.00000 0.00000 PBT 1
2 127.314 71.379 -999.000 118.510 76 59 43.6 255.000 0.00000 0.00000 PC 2
3 230.997 73.681 -999.000 222.948 100 27 40.9 INFINITY 0.00000 0.00000 PT 3
4 392.183 43.919 -999.000 386.858 100 27 40.9 INFINITY 0.00000 0.00000 PAT 3