The project aims to improve the situation in the Syrdarya province region and provide access to safe drinking water for its approximately 280,000 residents.
Officials want to double the number of tourists in Samarkand by 2021.
Uzbekistani citizens unwilling to buy hard currency -- dollars, euros, etc. -- on the black market experience various hardships and inconveniences stemming from official policies.
Trade between the two countries is flourishing as the two sides seek warmer and more-lucrative ties.
Uzbekistani officials are offering to help build Afghanistan and calling for the international community to aid their war-stricken neighbour.
By developing trade and reducing poverty, Tajikistan is eliminating grounds for radicalisation, say observers.
Citizens of both countries are enjoying easier border crossings, while businesses plan ambitious joint ventures.
For the first time in years Kyrgyz farmers and business owners crossed over the border on a officially sanctioned visit to sell and buy goods in Tajikistan.
For the first time in 25 years of independence, Tajikistan hosted a trade fair of Uzbekistan's exports.
The government May 5 will discuss allowing any Uzbekistani citizen to buy real estate in Tashkent and to reside there legally.