Transportation activity varied throughout the country at the end of 2015, but general economic conditions improved in much of the country, the Federal Reserve reported.

The overall economy increased at a modest pace in most regions of the country from late October to November, but transportation was softer, the Federal Reserve reported.

Truck drivers are reported to be in “exceptionally short supply” in some regions of the country, especially in the New York, St. Louis and Kansas City areas, the Federal Reserve said in a report.

The overall economy continued to expand across most sectors and regions of the country from July to mid-August, and reports on transportation activity were mixed but mostly positive overall, the Federal Reserve said.

The overall economy continued to expand across most of the country from early April to late May, but reports on freight activity and transportation services were mixed, the Federal Reserve said.

The economy continued to expand across most of the country from mid-February to the end of March as cargo was redirected due to labor disputes at West Coast ports, the Federal Reserve said.

The economy continued to expand across most of the country from early January to mid-February, but regions reported difficulty in filling openings for truck drivers, the Federal Reserve said.

The national economy continued to expand from late November to early January as regions reported capacity constraints from a lack of drivers, the Federal Reserve said.

The economy continued to expand modestly from late August to early October as the transportation services sector generally grew, the Federal Reserve said.

The economy continued to expand from early July to late August but with little indication the pace of growth has changed, the Federal Reserve said.