topic Network Dataset from StreetMap in ArcGIS Network Analyst Questions https://community.esri.com/t5/arcgis-network-analyst-questions/network-dataset-from-streetmap/m-p/408914#M3863 <HTML><HEAD></HEAD><BODY><P>I just started using Network Analyst and am fairly new to networks.&nbsp; I have been able to use the StreetMap network data that comes with the ArcGIS install disks to use the Network Analyst extension.&nbsp; I noticed however that the drive-times it was generating in Illinois were a little high compared to Google Maps.&nbsp; I looked at the associated street file and noticed that Illinois speed limits are listed as 65mph.&nbsp; This just changed in 2014 to 70mph and the data is from 2013.&nbsp; What is the best way (is there any way) to change the speed limit field (I believe it is the MPH_GRP field in the SDC Edge Source 3 file in the StreetMap data).&nbsp; If not, is there anyway to compensate in the network for the changed speed limit.&nbsp; Like I said, I am fairly new to network datasets and am only using the one that is already created from StreetMap data.&nbsp; I haven't "successfully" created my own yet.</P><P><BR />I appreciate any help.&nbsp; Thanks!</P></BODY></HTML> Wed, 09 Jul 2014 21:09:43 GMT ISP_graynic 2014-07-09T21:09:43Z Network Dataset from StreetMap https://community.esri.com/t5/arcgis-network-analyst-questions/network-dataset-from-streetmap/m-p/408914#M3863 <HTML><HEAD></HEAD><BODY><P>I just started using Network Analyst and am fairly new to networks.&nbsp; I have been able to use the StreetMap network data that comes with the ArcGIS install disks to use the Network Analyst extension.&nbsp; I noticed however that the drive-times it was generating in Illinois were a little high compared to Google Maps.&nbsp; I looked at the associated street file and noticed that Illinois speed limits are listed as 65mph.&nbsp; This just changed in 2014 to 70mph and the data is from 2013.&nbsp; What is the best way (is there any way) to change the speed limit field (I believe it is the MPH_GRP field in the SDC Edge Source 3 file in the StreetMap data).&nbsp; If not, is there anyway to compensate in the network for the changed speed limit.&nbsp; Like I said, I am fairly new to network datasets and am only using the one that is already created from StreetMap data.&nbsp; I haven't "successfully" created my own yet.</P><P><BR />I appreciate any help.&nbsp; Thanks!</P></BODY></HTML> Wed, 09 Jul 2014 21:09:43 GMT https://community.esri.com/t5/arcgis-network-analyst-questions/network-dataset-from-streetmap/m-p/408914#M3863 ISP_graynic 2014-07-09T21:09:43Z