This story has been updated.
Separate motor-vehicle crashes caused delays just as the Friday evening commute began in Northern Westchester, Putnam and Dutchess.
The first occurred on northbound I-684 just before the junction of I-84 (Exit 9). Delays stretched back to Exit 8 (Hardscrabble Road).
The other crash occurred on westbound Route 202 near the Westchester/Putnam line around 4 p.m.