This article is from the Bicycles FAQ, by Mike Iglesias with numerous contributions by others.
From: Bruce Hildenbrand <bruce.hildenbrand@eng.sun.com>
The green ("points") jersey is awarded from points accumulated from
finishing places and intermediate sprints. Riders receive points for
all stage finishes based on the type of stage.
Each stage of the Tour falls into one of four categories:
1) flat stage
2) rolling stage
3) mountain stage
4) individual time trial or prologue
>From the 1990 racer's bible:
Flat stages: 25 places: 35, 30, 26, 24, 22, 20, 19, 18, 17, 16, 15, 14, 13,
12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1
Rolling stages: 20 places: 25, 22, 20, 18, 16, 15, 14, 13, 12, 11, 10, 9, 8,
7, 6, 5, 4, 3, 2, 1
Mountain stages: 15 places: 20, 17, 15, 13, 12, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1
Individual Time Trial and Prologue: 10 places: 15, 12, 10, 8, 6, 5, 4, 3, 2, 1
Intermediate Sprints: 3 places: 6, 4, 2
Bruce Hildenbrand
bruce.hildenbrand@eng.sun.com
 
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