Add headers for rscontext data transportation section

docs/content/rscontext/data.mdx

@@ -62,6 +62,14 @@ Hillshade raster generated using the [gdal_dem](https//gdal.org/programs/gdaldem
 
 [LandFire](https//landfire.gov) SCla raster: Current vegetation conditions with respect to vegetation species composition, cover, and height ranges of successional states occurring within each biophysical setting. The source is a single raster for the entire nation that is downloaded and then clipped to the riverscapes project extent.
 
+## Transportation
+
+<h2><a name="ROADS">Roads</a></h2>
+
+<h2><a name="RAIL">Railways</a></h2>
+
+<h2><a name="CANALS">Canals</a></h2>
+
 ## Land Management
 
 <h2><a name="Ownership">Land Ownership</a></h2>