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-- Get travel time between two nodes in seconds
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function Metrostroi.GetTravelTime(src,dest)
    -- Determine direction of travel
    --assert(src.path == dest.path)
    local direction = src.x < dest.x

    -- Accumulate travel time
    local travel_time = 0
    local travel_dist = 0
    local travel_speed = 20
    local iter = 0
    function scan(node,path)
        local oldx
        local oldars
        while (node) and (node ~= dest) do
            local ars_speed
            local ars_joint = Metrostroi.GetARSJoint(node,node.x+0.01,path or true)
            if ars_joint then
                --[[if oldx and oldx ~= ars_joint.TrackPosition.x then
                    print(Format("\t\t\t%.2f:\t%s->%s",(ars_joint.TrackPosition.x - oldx)/18.8,oldars.Name,ars_joint.Name))
                end
                oldx = ars_joint.TrackPosition.x
                oldars = ars_joint]]
                --print(ars_joint.Name)
                local ARSLimit = ars_joint:GetMaxARS()
                --print(ARSLimit)
                if ARSLimit >= 4  then
                    ars_speed = ARSLimit*10
                end
                --print(ars_speed)
            end
            if ars_speed then travel_speed = ars_speed end
            --print(Format("[%03d] %.2f m   V = %02d km/h",node.id,node.length,ars_speed or 0))

            -- Assume 70% of travel speed
            local speed = travel_speed * 0.82

            -- Add to travel time
            travel_dist = travel_dist + node.length
            travel_time = travel_time + (node.length / (speed/3.6))
            node = node.next
            if not node then break end
            if src.path == dest.path and node.branches and node.branches[1][2].path == src.path then scan(node,src.x > node.branches[1][2].x) end
            if src.path == dest.path and node.branches and  node.branches[2] and node.branches[2][2].path == src.path then scan(node,src.x > node.branches[1][1].x) end
            assert(iter < 10000, "OH SHI~")
            iter = iter + 1
        end
    end
    scan(src)

    return travel_time,travel_dist
end