topic Network analyst route times in ArcGIS Network Analyst Questions https://community.esri.com/t5/arcgis-network-analyst-questions/network-analyst-route-times/m-p/634567#M6081 <HTML><HEAD></HEAD><BODY><P>Does routing analysis in Network Analyst account for things like traffic lights?&nbsp;</P><P></P><P>I understand traffic conditions can be loaded in separately, but will the analysis add some time on for stopping at lights, or does it assume all lights will be green?</P></BODY></HTML> Wed, 21 Nov 2018 13:17:22 GMT Anonymous User 2018-11-21T13:17:22Z Network analyst route times https://community.esri.com/t5/arcgis-network-analyst-questions/network-analyst-route-times/m-p/634567#M6081 <HTML><HEAD></HEAD><BODY><P>Does routing analysis in Network Analyst account for things like traffic lights?&nbsp;</P><P></P><P>I understand traffic conditions can be loaded in separately, but will the analysis add some time on for stopping at lights, or does it assume all lights will be green?</P></BODY></HTML> Wed, 21 Nov 2018 13:17:22 GMT https://community.esri.com/t5/arcgis-network-analyst-questions/network-analyst-route-times/m-p/634567#M6081 Anonymous User 2018-11-21T13:17:22Z Re: Network analyst route times https://community.esri.com/t5/arcgis-network-analyst-questions/network-analyst-route-times/m-p/634568#M6082 <HTML><HEAD></HEAD><BODY><P>You would have to account for them with some sort of impedance.&nbsp; But....&nbsp; How do you know if you will hit them red or green?&nbsp; I messed around a bit with turn imepances, including a 'straight' turn through an intersection; tedious at best.&nbsp; Perhaps <A href="https://community.esri.com/migrated-users/3160">Jay Sandhu</A>‌ or one of the team can weigh in...</P></BODY></HTML> Wed, 21 Nov 2018 13:35:36 GMT https://community.esri.com/t5/arcgis-network-analyst-questions/network-analyst-route-times/m-p/634568#M6082 JoeBorgione 2018-11-21T13:35:36Z Re: Network analyst route times https://community.esri.com/t5/arcgis-network-analyst-questions/network-analyst-route-times/m-p/634569#M6083 <HTML><HEAD></HEAD><BODY><P>Yes, agreed, how would we know what lights we would hit!?&nbsp; I am thinking of just accounting for it by adding a minute or two to overall timings.&nbsp;</P><P></P><P>I wonder if it accounts for acceleration/deceleration times as well?&nbsp; Or if it just assumes the max possible speed is achieved on the whole route.</P></BODY></HTML> Wed, 21 Nov 2018 13:42:17 GMT https://community.esri.com/t5/arcgis-network-analyst-questions/network-analyst-route-times/m-p/634569#M6083 Anonymous User 2018-11-21T13:42:17Z Re: Network analyst route times https://community.esri.com/t5/arcgis-network-analyst-questions/network-analyst-route-times/m-p/634570#M6084 <HTML><HEAD></HEAD><BODY><P>You could add some sort of 'universal' impedance for controlled intersections; when I was doing a lot of NA stuff for Emergency Response, the time calculated to traverse a given segment was a function of speed (MPH) and length (Feet).&nbsp; However, that function just models traverse time as constant; no positive or negative acceleration.&nbsp; Accurate enough, but not quite precise....</P></BODY></HTML> Wed, 21 Nov 2018 14:57:25 GMT https://community.esri.com/t5/arcgis-network-analyst-questions/network-analyst-route-times/m-p/634570#M6084 JoeBorgione 2018-11-21T14:57:25Z