The features of transport infrastructure of megalopolises are systematized in the article. The concept of the infrastructure development index is defined, its components are considered. The level of the transport infrastructure development in the largest megalopolises of Russia – Moscow and St. Petersburg is analysed, their place among the megalopolises of the world, according to the standard criteria, is presented. The research is based on statistical and analytical data from 2010 till 2018. The main directions of strategic development of transport infrastructure in the Russian megalopolises and expected indicators till 2030 are also considered. The authors point out the problems of road-and-transport infrastructure in megalopolises, but on the other hand they reveal the advantages of megalopolises, which contribute to the development of their transport complexes.