Heads up if you’ll be in or around Center City in Philadelphia tonight, there will be a LOT of traffic.

In fact, officials are warning locals and commuters to consider avoiding Center City or taking mass transit the avoid the chaos this evening (Thursday, May 1).

Road closures will start around 3:00 p.m. and last for much of the evening rush hour in Philly. Here’s what’s going down.

May Day Marches Will Likely Lead to Traffic Chaos in Center City

A May Day rally and March are planned in Center City Philadelphia this evening (May 1).

It’ll be led by Vermont Senator Bernie Sanders who will be speaking at Philadelphia’s City Hall starting at 4:00 p.m.

Following his address, a march has been planned in the area of JFK Blvd.

It's all been planned by the Philadelphia Council AFL-CIO, NBC Philadelphia reports. 

List of Road Closures in Philadelphia for May Day Rally & March

City officials have just released a list of the road closures that we can expect in Philly this evening, and it's massive.

READ MORE: Once Again, Philly Is One of the Worst Cities to Drive In

By the way, they're warning us that this list may grow in the coming hours depending on how the crowd evolves.

These closures start around 3:00 p.m. and are expected to last until 6:00 p.m. tonight:

  • John F. Kennedy Boulevard between Juniper Street and 15th Street
  • North Broad Street between John F. Kennedy Boulevard and Arch Street
  • Juniper Street between John F. Kennedy Boulevard and Market Street

Even more streets will close at approximately 5:00 p.m. These are expected to last until about 7:00 p.m.

Here's a look at the street closures that will start at 5:00 p.m.:

  • John F. Kennedy Boulevard between 15th Street to Juniper Street
  • 15th Street from John F. Kennedy Boulevard to South Penn Square
  • Market Street from 16th Street to 15th Street
  • South Penn Square from 15th Street to Juniper Street
  • South Broad Street from Chestnut Street to South Penn Square
  • Juniper Street from South Penn Square to John F. Kennedy Boulevard
  • Market Street from Juniper Street to 13th Street
  • North Broad Street from John F. Kennedy Boulevard to Vine Street
  • Includes closures of cross streets

So, yes, pack a lot of extra patience if you’re driving around Center City tonight.

Where Are They Now? Looking Back at Philadelphia TV's Most Famous Anchors

From John Bolaris to Larry Mendte and from Lisa Thomas-Laurie to Renee Chenault-Fattah, Philadelphia's media landscape has been shaped by some of the nation's most iconic anchors (and reporters). But where are they now? We take a look back:

Gallery Credit: Joe, 94.5 PST