US 11/PA 34/PA 74/PA 641 Carlisle Multiplexes

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Carlisle Multiplexes

US 11(N-S)/PA 641(E-W) Duplex

US 11 and PA 641 join for a mile through Carlisle in Cumberland County. The western half of the duplex is US 11/PA 641 alone, while the eastern half is joined by PA 74.

Timothy Reichard 2/24/02

US 11 and PA 641 join in the western outskirts of Carlisle.

Timothy Reichard 2/24/02

These shields stand at the western split as viewed from PA 641 eastbound.

Timothy Reichard 2/24/02

This unusual junction shield stands along US 11 southbound/PA 641 westbound just before reaching the western split. It's rare in PA to place a JCT sign to announce the upcoming split along the duplexed road. More typically, the sign is omitted and only stands along one of the roads thats about to merge; i.e., this shield would more commonly be placed on US 11 northbound just west of the western split.

US 11(N-S)/PA 74(S-N)/PA 641(E-W) Triplex

PA 74 joins US 11/PA 641 for a half mile three-way duplex through Carlisle.

Timothy Reichard 2/24/02

PA 74 southbound joins the US 11/PA 641 duplex here, just a half mile east of the US 11/PA 641 western split and a few blocks west of the eastern split.

Timothy Reichard 2/24/02

Here are the shields at the PA 74 western split in the Dickinson College campus. PA 74 enters from the north and turns left onto the duplex.

Timothy Reichard 2/24/02

Here are the three-way signs just east of the PA 74 western split.

Timothy Reichard 2/24/02

To the east, near the eastern split, the opposite three-way shields stand in the center of Carlisle.

Timothy Reichard 2/24/02

In the beautiful center of downtown Carlisle, the triplex meets PA 34 and splits. US 11/PA 34 northbound splits to the left, US 74/PA 641 continues straight ahead, and PA 34 southbound heads to the right. This is the view facing east along US 11 northbound/PA 74 southbound/PA 641 eastbound.

Timothy Reichard 2/24/02

Here is the view facing north along PA 34 one block south of the eastern US 11/PA 74/PA 641 split, which is also the southern split of the US 11/PA 34 duplex. US 11 joins PA 34 from the left, and the two routes form a duplex heading straight ahead to the north.

Timothy Reichard 2/24/02

Moving forward a block, US 11 is signed separately from PA 74/PA 641 here at the same, center intersection.

Timothy Reichard 2/24/02

Here is the same intersection from a third view, facing west along PA 74/PA 641 a block from the center intersection.

Timothy Reichard 2/24/02

Like the signs along PA 34 northbound, US 11 is signed closer to the center intersection than the other routes. PA 34 is not mentioned from this direction.

Timothy Reichard 2/24/02

Finally, here is the view facing south along US 11/PA 34. The PA 74 and PA 641 signs are abbreviated, as is the case for signs along PA 34 northbound . US 11 splits from PA 34 here.

PA 74(S-N)/PA 641(E-W) Duplex

While PA 74 and PA 641 form a duplex with US 11 from the center of Carlisle to a few block to the west, the two routes are also duplexed for a few blocks east of the center of Carlisle.

Timothy Reichard 2/24/02

Reassurance shields for the PA 74/PA 641 duplex stand just east of the center intersection, where US 11/PA 74/PA 641, US 11/PA 34, PA 74/PA 641, and PA 34 meet.

Timothy Reichard 2/24/02

A half mile to the east, the two routes finally split to meet I-81 at partial interchanges about two miles away. The shields have been placed overheard by themselves (not on big green signs), an unusual practice in the state.

US 11(N-S)/PA 34(N-S) Duplex

US 11 and PA 34 form a same-way duplex for a few blocks in Carlisle.

Timothy Reichard 2/24/02

Here are the first reassurance shields north of the center intersection of Carlisle. That intersection is the southern split of US 11/PA 34, where US 11 joins PA 74/PA 641. For more coverage of the southern split, see the US 11/PA 74/PA 641 triplex above.

Timothy Reichard 2/24/02

A few blocks north of the southern split, and similar to the US 11/PA 641 western split, a JCT PA 34 shield stands along US 11/PA 34 northbound. JCT shields for a given route rarely stand along that route.

Timothy Reichard 2/24/02