Nearly 2.3m passengers passed through Stansted Airport during May, another new record for the month.
The A120 has now re-opened westbound at Great Dunmow following a collision between a coach and a lorry.
Stansted Airport could increase its passenger cap by almost an extra 10million people under new expansion plans.
Leisure airline Jet2.com is to operate the first direct flights between Stansted Airport and New York for eight years.
Residents and tourists are being encouraged to enjoy themselves this bank holiday weekend despite the increased threat of terrorism.
Stansted Airport says it is continuing to monitor the security situation closely following the increase of the national threat status to critical.
A man has been arrested by counter-terror police at Stansted Airport on suspicion of preparing for acts of terrorism.