The Mayor of Bulgaria’s capital Sofia, Yordanka Fandakova, warned Tuesday of upcoming serious traffic problems over the subway construction, sewage works and repairs of main thoroughfares.

Fandakova apologized and appealed to Sofia residents and visitors to be patient upon inspecting the subway works at the “Cherni Vrah” boulevard where parts of the road, near the construction site, collapsed Sunday.

According to the Mayor, the upcoming fall will be the most difficult one for Sofia’s traffic so far, adding the need of large-scale construction works was imposed by the fact that in the last 20 years the city’s population grew at staggering rates, but its infrastructure remained untouched….