If you have visitors coming into town, forward this important travel information to them, so they can travel safely and more efficiently.

Let's start with Friday's William A. Irvin and morph into the Saturday, Garry Bjorklund Half Marathon and finish with Grandma's Full Marathon.

The William A. Irvin 5K race will begin at 6p tonight with traffic on Harbor Drive behind the DECC ceasing at 3p, at 5:45 pm traffic will also be diverted off Railroad Street for the duration of the race.

The traffic delays will be for approximately one hour as Railroad Street is closed from Garfield Avenue to the DECC Entrance. No Southbound traffic on 5th Avenue West will be allowed past the I-35 ramps, and the 5th Ave W Connector to Railroad St will be closed. Harbor Drive behind the DECC will also be closed to traffic.

Please watch for no parking signs, barricades, and Officers directing traffic when driving in the area of this event.

Moving on to the Saturday traffic advisory for the Marathon, Half Marathon, & National Championships:

At 12 noon on Friday, June 15, Canal Park Drive from Railroad Street to Buchanan Street will be closed for Grandma's finish line set up. This roadway will remain closed to automobile traffic until after the Grandma's Marathon Finish on Saturday June 16th .

If you want to get to Two Harbors, you'll need to take the Expressway as the -Scenic Highway 61, along the lake, will be closed to traffic at 4:15a.  Also, Lakewood, Homestead, Ryan, and McQuade Roads will be closed from the Highway 61 Expressway to Scenic Highway 61 at 4:15a.

Other road closures include, London Road at 5:45a, -Superior Street from 12th Avenue East to 5th Avenue West at 6:00a, Harbor Drive, Commerce Street, Lake Place Drive and Canal Park closed at 6a.

PARKING IS NOT ALLOWED ON THE RACE COURSE. Please observe the posted "No Parking" Signs. Violators will be towed.

The freeway, and other roadways closed for the Marathon will reopen at approximately 2:00 p.m. on Saturday afternoon.

Some other important road information that may affect you:

-Northbound traffic on I-35 will be diverted up Mesaba Avenue to 2nd Street.

-EAST DETOUR-East bound traffic will use 2nd street to 21st Avenue East, then south to Superior Street, and continuing East. This detour will take effect 05:45 a.m.

-WEST DETOUR-West bound traffic on Superior Street will turn North onto 21st Avenue East, then continue West on 3rd Street. This detour will take effect at 05:45 a.m.

-The northbound lane of I-35 will be closed at 05:45 a.m. from Mesaba Avenue to 26th Avenue East. -The southbound lane of I-35 from 21st and 26th Avenues East will be closed at 4:15 a.m.