Add extra columns to table of contents

It's possible with tocloft:

\documentclass[a4paper]{article}

\usepackage{tocloft}
\renewcommand{\cftsecafterpnum}{\quad\rule{1cm}{0.4pt}\quad\rule{2cm}{0.4pt}}

\begin{document}
\tableofcontents

\section{This is one}

\section{This is two}

\end{document}