I had nothing to do in my last game (1k starting money) so I experimented which effects station maintenance has. The only obvious effect I found was that lower maintenance decreases station attractiveness, which is probably used in a decision about whether or not to take a bus. Below is the data for bus stops with signs including the change from the last level and attractiveness per maintenance percent, but the trend is probably the same for all stations (has to be checked, though):
Bus stop with sign
My recommendation: Maintenance levels above 40% yield very little increase in station attractiveness. Good compromises seem to be 20%, 30% or 40%. Maintenance levels above 55% are pretty much a waste of money. Note that there could be indirect effects, for example on reputation, which are more difficult to test
Tram stop with sign
My recommendation: Choose 25% or 35%. The argumentation is the same as above.
Luxury tram stop
If you take the last column and multiply with the maximum of the other stations you can reproduce their values almost perfectly. So at 20% maintenance you already have 2/3 of the maximum attractiveness, at 35% you have 80% of the maximum and at 55% you have 90% of the maximum.
Bus stop with sign
Code:
Maintenance Attractiveness Delta A/M
0 10
5 22 12 4.4
10 30 8 3
15 35 5 2.3333333333
20 40 5 2
25 43 3 1.72
30 46 3 1.5333333333
35 48 2 1.3714285714
40 50 2 1.25
45 51 1 1.1333333333
50 52 1 1.04
55 54 2 0.9818181818
60 55 1 0.9166666667
65 55 0 0.8461538462
70 56 1 0.8
75 57 1 0.76
80 58 1 0.725
85 58 0 0.6823529412
90 59 1 0.6555555556
95 59 0 0.6210526316
My recommendation: Maintenance levels above 40% yield very little increase in station attractiveness. Good compromises seem to be 20%, 30% or 40%. Maintenance levels above 55% are pretty much a waste of money. Note that there could be indirect effects, for example on reputation, which are more difficult to test
Tram stop with sign
Code:
Maintenance Attractiveness Delta M/A
0 11
5 25 14 5
10 35 10 3.5
15 41 6 2.7333333333
20 46 5 2.3
25 50 4 2
30 53 3 1.7666666667
35 56 3 1.6
40 58 2 1.45
45 60 2 1.3333333333
50 61 1 1.22
55 63 2 1.1454545455
60 64 1 1.0666666667
65 65 1 1
70 66 1 0.9428571429
75 66 0 0.88
80 67 1 0.8375
85 68 1 0.8
90 68 0 0.7555555556
95 69 1 0.7263157895
My recommendation: Choose 25% or 35%. The argumentation is the same as above.
Luxury tram stop
Code:
Maintenance Attractiveness Delta A/M A/Amax
0 16 0.16
5 36 20 7.2 0.36
10 50 14 5 0.5
15 59 9 3.9333333333 0.59
20 66 7 3.3 0.66
25 72 6 2.88 0.72
30 76 4 2.5333333333 0.76
35 80 4 2.2857142857 0.8
40 83 3 2.075 0.83
45 85 2 1.8888888889 0.85
50 88 3 1.76 0.88
55 90 2 1.6363636364 0.9
60 91 1 1.5166666667 0.91
65 93 2 1.4307692308 0.93
70 94 1 1.3428571429 0.94
75 95 1 1.2666666667 0.95
80 96 1 1.2 0.96
85 97 1 1.1411764706 0.97
90 98 1 1.0888888889 0.98
95 99 1 1.0421052632 0.99
If you take the last column and multiply with the maximum of the other stations you can reproduce their values almost perfectly. So at 20% maintenance you already have 2/3 of the maximum attractiveness, at 35% you have 80% of the maximum and at 55% you have 90% of the maximum.
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