In the evening of the 7th there will be a party in Utrecht. to meet other hitch hikers, and get some last minute tips, and maybe a host. Details about this meeting will follow. You can also check this meeting page, to see if there's anything on there.
Spots leaving from Utrecht.
- Onramp on A27 near the Veemarkthallen.
you can walk, or take bus nr 5 direction Voordorp, and get off at kemal ataturkstraat 77 direction Bilthoven, and get off at P+R Veemarkt I usually use this spot, and am gone within 1 to 30 min.
and you can find more information here