The following Odmorištes (service stations) in Croatia do allow you to cross from one side to the other. This overview is far from complete.
Autocesta A1 (Jadranska autocesta (Dalmatina))
- Desinec - crossable in 10 minutes with a bridge on the northbound side. Requires climbing a few (not very high or strong) fences.
- Vukova Gorica - service station for both directions situated on the northbound side
Autocesta A3 (Posavska autocesta)
- Plitvice - bridge restaurant!