• / Accesibility


One web
to everyone

One web to everyone

Accessibility Certification

The TMS web site is based on the ACM2 content management, which allows the creation and management of accessible web sites.

Following the technical analysis of accessibility, it has been established that the TMS website complies with the full series of priority 1 and priority 2 validation points established under the W3C's Web Content Accessibility Guidelines 1.0 (known as the WAI-WCAG Guidelines)

Accordingly, the TMS website has eliminated all the major barriers to Web document access.

Compatibility with standards

This web site has been designed and programmed following the instructions of the initiative WAI (Web Accessibility Initiative, www.w3.org/waiAbre en ventana nueva la web de www.w3.org/wai), that marks universal standards in the web contents creation accessible to everybody.

Logo w3c-xhtml Logo w3c-css Logo w3c-WAI Logo Tawdis

Accessibility Guidelines

Various measures have been taken to make the site more accessible, including:

  • Logical order of presentation of the items on display
  • Simplified navigation system, no floating menus are used
  • Descriptive text for images
  • Keyboard access to main options

Keyboard Shortcuts

On www.tmsalc.comOpen the www.tmsalc.com website in a new window. The following access keys are available:

Note: If you are using Internet Explorer press Alt + access key for Windows and Ctrl + access key for Macintosh, release and then press enter.

  • Start: Alt + I
  • Print: Alt + P
  • Site Map: Alt + M
  • Contact: Alt + C


When possible, links are written to make sense out of context.

Download applications and accessries

To view the content in PDF, visit the following sitio webOpen the website www.adobe.com in a new window and download Adobe Acrobat 8.0.

To view the content in Flash, use the following link: sitio webOpens a new browser window with the website www.adobe.com to download Flash Player 9.0.

To view the content in Media Player, use the following link: sitio webOpen the website www.microsoft.com in a new window and download Windows Media.

To view the content in ZIP, use the following link: href='http://www.winzip.com/downwz.htm' target='_blank' title='This link opens a new window'>sitio webOpen the website www.winzip.com in a new window and download WinZip.


  • PDFs: Documents in PDF format can present accessibility problems. OHL Concessions is committed to provide any of these documents in accessible formats upon request by email to info@tmsalc.com or by a telephone call to Service Rules and Information Systems 91 348 43 81. Documents are available in pdf format available on the web shortly

If you have any difficulties or problems with accessibility or usability please notify us by e-mail at info@tmsalc.com Our web maintenance team will answer your request/recommendation as soon as possible.


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