We booked our vacation months ago. So did not anticipate strike. What is best way to get from Paris Nord train station to
Hôtel Azur Paris Gare de Lyon
Bus #91 from Gare du Nord in direction Montparnasse will stop at Gare de Lyon. This will be your best public transit route for Gare du Nord to Gare de Lyon during the Paris train strikes.
There is a bus station at ground level for Gare du Nord. Look for signs for "Gare Routière" around Gare du Nord station to find the bus station loop.