Adjusted some SpeedCar Values.

astar/Astar.cs

@@ -30,7 +30,7 @@ namespace astar
             endNode.Value.Metric = 0f;
 
             double totalDistance = NodeUtils.DistanceBetween(startNode.Value, endNode.Value);
-            PriorityHelper priorityHelper = new(totalDistance, SpeedHelper.GetMaxSpeed(car));
+            PriorityHelper priorityHelper = new(totalDistance, SpeedHelper.GetTheoreticalMaxSpeed(car));
 
             logger?.Log(LogLevel.Information,
                 "From {0:00.00000}#{1:000.00000} to {2:00.00000}#{3:000.00000} Great-Circle {4:00000.00}km",
@@ -44,21 +44,27 @@ namespace astar
             ValueTuple<Node, Node>? meetingEnds = null;
             while (toVisitStart.Count > 0 && toVisitEnd.Count > 0)
             {
+                ulong closestEndNodeId = toVisitEnd.UnorderedItems
+                    .MinBy(n => graph.Nodes[n.Element].DistanceTo(startNode.Value)).Element;
+                Node closestEndNode = graph.Nodes[closestEndNodeId];
                 if (toVisitStart.Count >= toVisitEnd.Count && meetingEnds is null)
                 {
-                    for(int i = 0; i < toVisitStart.Count / 10 && meetingEnds is null; i++)
+                    for(int i = 0; i < Math.Min(toVisitStart.Count * 0.5, 50) && meetingEnds is null; i++)
-                        meetingEnds = ExploreSide(true, graph, toVisitStart, rl, priorityHelper, endNode.Value, car, DefaultPriorityWeights, pathing, logger);
+                        meetingEnds = ExploreSide(true, graph, toVisitStart, rl, priorityHelper, closestEndNode, car, DefaultPriorityWeights, pathing, logger);
                 }
                 if(meetingEnds is null)
-                    meetingEnds = ExploreSide(true, graph, toVisitStart, rl, priorityHelper, endNode.Value, car, DefaultPriorityWeights, pathing, logger);
+                    meetingEnds = ExploreSide(true, graph, toVisitStart, rl, priorityHelper, closestEndNode, car, DefaultPriorityWeights, pathing, logger);
                 
+                ulong closestStartNodeId = toVisitStart.UnorderedItems
+                    .MinBy(n => graph.Nodes[n.Element].DistanceTo(endNode.Value)).Element;
+                Node closestStartNode = graph.Nodes[closestStartNodeId];
                 if (toVisitEnd.Count >= toVisitStart.Count && meetingEnds is null)
                 {
-                    for(int i = 0; i < toVisitEnd.Count / 10 && meetingEnds is null; i++)
+                    for(int i = 0; i < Math.Min(toVisitEnd.Count * 0.5, 50) && meetingEnds is null; i++)
-                        meetingEnds = ExploreSide(false, graph, toVisitEnd, rl, priorityHelper, startNode.Value, car, DefaultPriorityWeights, pathing, logger);
+                        meetingEnds = ExploreSide(false, graph, toVisitEnd, rl, priorityHelper, closestStartNode, car, DefaultPriorityWeights, pathing, logger);
                 }
                 if(meetingEnds is null)
-                    meetingEnds = ExploreSide(false, graph, toVisitEnd, rl, priorityHelper, startNode.Value, car, DefaultPriorityWeights, pathing, logger);
+                    meetingEnds = ExploreSide(false, graph, toVisitEnd, rl, priorityHelper, closestStartNode, car, DefaultPriorityWeights, pathing, logger);
 
                 if (meetingEnds is not null)
                     break;

astar/PathingHelper/SpeedHelper.cs

@@ -8,12 +8,12 @@ internal static class SpeedHelper
     {
         byte maxspeed = way.GetMaxSpeed();
         if (maxspeed != 0)
-            return maxspeed;
+            return (byte)(maxspeed * 0.85);
         HighwayType highwayType = way.GetHighwayType();
         return car ? SpeedCar[highwayType] : SpeedPedestrian[highwayType];
     }
 
-    public static byte GetMaxSpeed(bool car = true)
+    public static byte GetTheoreticalMaxSpeed(bool car = true)
     {
         return car ? SpeedCar.MaxBy(s => s.Value).Value : SpeedPedestrian.MaxBy(s => s.Value).Value;
     }
@@ -52,18 +52,18 @@ internal static class SpeedHelper
 
     private static Dictionary<HighwayType, byte> SpeedCar = new() {
         { HighwayType.NONE, 0 },
-        { HighwayType.motorway, 110 },
+        { HighwayType.motorway, 120 },
         { HighwayType.trunk, 80 },
-        { HighwayType.primary, 80 },
+        { HighwayType.primary, 70 },
-        { HighwayType.secondary, 80 },
+        { HighwayType.secondary, 70 },
         { HighwayType.tertiary, 70 },
         { HighwayType.unclassified, 30 },
         { HighwayType.residential, 10 },
-        { HighwayType.motorway_link, 50 },
+        { HighwayType.motorway_link, 70 },
         { HighwayType.trunk_link, 50 },
         { HighwayType.primary_link, 50 },
-        { HighwayType.secondary_link, 30 },
+        { HighwayType.secondary_link, 50 },
-        { HighwayType.tertiary_link, 25 },
+        { HighwayType.tertiary_link, 40 },
         { HighwayType.living_street, 5 },
         { HighwayType.service, 0 },
         { HighwayType.pedestrian, 0 },