\documentclass[12pt]{article}
   % the options that remain in the [..] in the LaTeX2e version,
   % documentclass are related directly to the class you choose. Using
   % other packages is implemented by the \usepackage commands below.

\usepackage{axodraw,color,cite,graphicx}% to put in axodraw
   % pictures, use colour in the document, put your citations as [1-4]
   % rather than [1,2,3,4] (it looks nicer, and the extended LaTeX2e
   % graphics package. 
\usepackage{latexsym,amssymb,epsf} % don't remember if these are
   % needed, but their inclusion can't do any damage

\addtolength{\topmargin}{-1.7cm}
\addtolength{\oddsidemargin}{-1.7cm}
\addtolength{\evensidemargin}{-3.5cm}
\setlength{\textheight}{25cm}
\setlength{\textwidth}{15.5cm}

\begin{document}

~
\thispagestyle{empty}
\begin{figure}[htp]
\centering
\includegraphics[width=\textwidth]{road_map.eps}
%\caption[Transverse momentum distributions - E-R model.]{Transverse momentum distributions - E-R model fit
%(intercept 1.2).}\label{fig:erptsqfit}
\end{figure}

\end{document}