About this site...

This site is an effort to maintain, automate and improve on The Optimization Portal's list of best known solutions to Capaciated Vehicle Routing Problem with Time Windows instances of Gehring and Homberger, and Pickup and Delivery with Time Windows instances of Li and Lim.

The original site is still actively maintained by SINTEF.

A copy of data, along with some automation scripts can be found on github.

All solutions were taken directly from publcicly available data on SINTEF. Some were retrieved from the web archive.

This site uses no cookies. No personal data is managed by us. We do not keep or store anything You send to us.

A lot of the site should be usable without javascript.

contact

For any contatct, please email me.

Submissions of new best known, along with bug reports or software vulnerabilities are welcome.