I want to reemphasize what Bill said about shakedown driving after any
major work, especially fuel or cooling system.  Think of an excuse to
spend 20 or 30 minutes at full cruising speed.

Replacing all the hoses is a very big job, not one that I would tackle
all at once shortly before a trip.  Check for bulges or soft spots and
check that any screw type clamps are tight.  Look for seepage.  Carry
Rescue Tape and filament tape and a gallon of coolant mix.

Relax; stuff happens.  You can't always prevent it.   :-)

Larry A.