The following is an English translation which I have made very 
quickly (so please ignore and/or forgive the crooked English) of a 
Russian text of legal act of Kazakhstan (omitting the boring and - 
for us - less interesting parts) (BTW, the source of this, in case 
you read Russian, is: 
http://www.info.nursat.kz/nakyp/DOC/99N6-
06.HTM ):
Act of the Republic of Kazakhstan, 8 May, 1998, No. 223
On the ratification of the agreement between the government of the 
Republic of Kazakhstan and the government of the Republic of 
Uzbekistan on the use of certain stretches of roads for automobile 
traffic.
(...)
1st Article
The stretch of automobile road between Detysaj and Èardara, with a 
length of 24.5 kilometres, going through the territory of the 
Republic of Uzbekistan, with a sanitary-guarded zone of 30 metres on 
both sides of the edge of the traffic surface of the road, is given 
in temporary use to the Republic of Kazakhstan for the duration of 
ten years, on a gratis base (free of payment). The given stretch of 
automobile road runs along the western bank of the Èardara reservoir 
from the state boundary between the Republic of Kazakhstan and the 
Republic of Uzbekistan, in the area west of the village of Machtaly, 
in a general north-easterly direction through the village of Arsanaj, 
along the dyke of the Arsanaj fault in the north-west to the state 
boundary between the Republic of Kazakhstan and the Republic of 
Uzbekistan.
2nd Article
The stretch of automobile road between Syrdar'ja and Dizak with a 
length of 24.3 kilometres with a sanitary-guarded zone of 30 metres 
on both sides of the edge of the traffic surface of the road, going 
through the territory of the Republic of Kazakhstan, is given in 
temporary use to the Republic of Uzbekistan for the duration of ten 
years, on a gratis base (free of payment). The given stretch of the 
main automobile road M39 Almaty  Bikek  Takent  Termez runs from 
the state boundary between the Republic of Kazakhstan and the 
Republic of Uzbekistan in the area north-east of the village of 
Machtaan, in a general south-westerly direction towards the state 
boundary between the Republic of Kazakhstan and the Republic of 
Uzbekistan in the area of the village of Celinnoe.
3rd Article
The Parties pledge not to conduct the building of objects for any 
purpose whatsoever in the sanitary-guarded zones, as stipulated in 
the 1st and 2nd articles of the present Agreement.
The Parties assure to one another the conditions, that enable the 
free transit of passengers and cargo on the stretches of automobile 
road, as described in the 1st and 2nd articles of the present 
Agreement.
4th Article
The present Agreement may be amended and added to with the agreement 
of the Parties, which will be put down in a protocol, which forms an 
inalienable part of the present Agreement.
5th Article
(...)
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Transcriptions are, as always, from the Russian.
Peter S.