GRAVEL TRAIN OPERATIONS RESUME IN MAT-SU Traffic reminders for gravel mine areas near Palmer and Kashwitna EDOGS CO (15 Alaska Railroad and gravel mine operators remind Mat-Su residents and drivers that gravel mining and rail transportation resumes, beginning late May: along Glenn Highway near Inner and Outer Springer Loops (Palmer) at Kashwitna (north of Wasilla) Palmer: Expect 3-hour delays at Outer Springer crossing during train loading, approximately 6-10am (and 6-10pm when 2 trains operate daily). Use Inner Springer Loop for alternate access to Glenn Hwy. Inner Springer will be blocked 20-30 minutes during the end of the loading process, 9-10am/pm. For more info, call 907-265-2357 or visit AlaskaRailroad.com > Corporate> In the Community > Gravel Trains. 20 Hilsher Hwy Cienna Ave AS&G Tipple Herman Rid Glenn Highwa Outer Blunk St McLeod Lake ringer Loop Gravel Train loading Stote Fair Rol Station Inner Springer Loop McLeod Rebarchek Ave Kaye Mar Outer Springer Loop Inner Springer Loop GRAVEL TRAIN OPERATIONS RESUME IN MAT - SU Traffic reminders for gravel mine areas near Palmer and Kashwitna EDOGS CO ( 15 Alaska Railroad and gravel mine operators remind Mat - Su residents and drivers that gravel mining and rail transportation resumes , beginning late May : along Glenn Highway near Inner and Outer Springer Loops ( Palmer ) at Kashwitna ( north of Wasilla ) Palmer : Expect 3 - hour delays at Outer Springer crossing during train loading , approximately 6-10am ( and 6-10pm when 2 trains operate daily ) . Use Inner Springer Loop for alternate access to Glenn Hwy . Inner Springer will be blocked 20-30 minutes during the end of the loading process , 9-10am / pm . For more info , call 907-265-2357 or visit AlaskaRailroad.com > Corporate > In the Community > Gravel Trains . 20 Hilsher Hwy Cienna Ave AS & G Tipple Herman Rid Glenn Highwa Outer Blunk St McLeod Lake ringer Loop Gravel Train loading Stote Fair Rol Station Inner Springer Loop McLeod Rebarchek Ave Kaye Mar Outer Springer Loop Inner Springer Loop