Darien can be accessed through three main roads: I-95 North, the Merritt Parkway, and Post Road (also known as Boston Post Road or Route 1). Since traffic to/from New York City is heavy, the best and worst times to drive are:
In the mornings, driving north
In the afternoons, heading south
In the mornings, driving south
In the afternoons, heading north
The nearest DMV is located in Norwalk at 540 Main Ave, Norwalk, CT 06851. It is closed on Mondays. Since there are so few DMVs in the area, wait times can be hours long. However, once you have your Connecticut drivers' license or ID card, you can renew it at AAA offices which is quick and easy to do.