Possible Duplicate:
Splitting lines automatically at specific distances?
i have a transect layer with 160 transect . id like to split each transect with specific value from the beginning of the transect . the distance values are store in a field and related to the transects. for example transect 1 : distance value from the beginning is 27.5 meter . transect 2 : 32.4 meter . how can i split the transects with the distance values in ArcGIS9.3 ?