Exit 437

I-90 west at Exit 437 - BL-90/East Laurel. This is the eastern end of the Laurel business loop.

I-90 east approaching Exit 437, South Frontage Road, 1 mile.

I-90 east at Exit 437 - South Frontage Road. This is the eastern end of the Laurel business loop.

Begin BL-90 West at I-90 West to Butte (first left). Use second left for BL-90 to East Laurel.

I-90 west approaching Exit 437 - BL-90/East Laurel.

End BL-90 East at South Frontage Road and I-90 East to Billings.