Catch pit:
a pit provided in a drainage system at an accessible point, to collect grit and prevent it from blocking in-accessible parts of the drains.

Catch basin:
catch basins are structures installed in the road to convey surface water to the storm sewer system. They have a sump at the bottom that traps gritty material and debris in order to keep the sewer system clean and avoid blockages.
A chamber usually built at the curb line of a street for the admission of surface water to a storm sewer of sub-drain, having at its base a sediment sump designed to retain grit and detritus below the point of overflow.