Due to the large amount of traffic, new toll highways were built parallel to the main national freeways. Their names are , R-3, R-4 and  and they were intended to provide a paid alternative to the often overcrowded free radials. However, except the R-3, they do not end close to the M-30 innermost ring road, as the R-2 finishes in the M-40, the R-4 in the M-50 and the R-5 in the M-40.