D400 road (Croatia)

D400 state road
Route information
Length:	1.6 km (1.0 mi)
Major junctions
From:	D66 west of A9/B9 Pula interchange
	D21 in Pula
To:	Pula ferry port
Location
Counties:	Istria
Major cities:	Pula

Highway system
State roads in Croatia

Pula, at the western terminus of D400

D400 is a state road connecting D66 and D21 state roads to Pula city centre and Pula ferry port. The road is only 1.6 km (0.99 mi) long.^[1] Urban planning documents of the city of Pula, indicate that the road may be expanded from its current two traffic lanes to four.^[2]

The road, as well as all other state roads in Croatia, is managed and maintained by Hrvatske ceste, state owned company.^[3]

No car ferries operate from Pula ferry port.

Traffic volume

There are no official published data on volume of traffic carried by the D400 road, however, the volume may be inferred from traffic volumes on the southernmost traffic counting sites of the state roads terminating at the D400 route, namely D21 and D66.^[4] Additionally the road carries an unspecified volume of urban traffic of the city of Pula, therefore it may be safely concluded that average annual daily traffic (AADT) and average summer daily traffic (ASDT) of the D400 road exceed 15,000 and 20,000 vehicles per day respectively.

D400 volume of traffic
Road	Counting site	AADT	ASDT	Notes
D21	3905 Pula north	7,136	9,464	The southernmost traffic counting site on D21, effectively counting traffic between D21 and D400.
D66	3904 Loborika	6,229	8,345	The southernmost traffic counting site on D66, effectively counting traffic between D66 and D400.

Road junctions and populated areas

D400 junctions/populated areas
Type	Slip roads/Notes
	D66 to Pula Airport, A9/B9 expressway Pula interchange and Labin. The eastern terminus of the road.
	Pula D21 to Bale.
	Pula ferry port. The western terminus of the road.

Sources

Wikimedia Commons has media related to 400 (Croatia).

↑ "Decision on categorization of public roads as state roads, county roads and local roads". Narodne novine (in Croatian). February 17, 2010.
↑ "Spatial development plan of the city of Pula (page 32)" (PDF). Grad Pula (in Croatian). March 17, 2009. Archived from the original (PDF) on 2009-11-22.
↑ "Public Roads Act". Narodne novine (in Croatian). December 14, 2004.
↑ "Traffic counting on the roadways of Croatia in 2009 - digest" (PDF). Hrvatske ceste. May 1, 2010. Archived from the original (PDF) on July 21, 2011.

State roads in Croatia
1–10	D1 D2 D3 D5 D6 D7 D8 D9 D10
20–76	D20 D22 D23 D24 D25 D26 D27 D28 D29 D30 D31 D32 D33 D34 D35 D36 D37 D38 D39 D40 D41 D42 D43 D44 D45 D46 D47 D48 D49 D50 D51 D52 D53 D54 D55 D56 D57 D58 D59 D60 D62 D64 D66 D69 D70 D72 D74 D75 D76
100–128	D100 D101 D102 D103 D104 D105 D106 D109 D110 D111 D112 D113 D114 D115 D116 D117 D118 D119 D120 D121 D123 D124 D125 D126 D128
200–229	D200 D201 D203 D204 D205 D206 D207 D208 D209 D210 D211 D212 D213 D214 D216 D217 D218 D219 D220 D222 D223 D224 D225 D227 D228 D229 D231
300–315	D300 D301 D302 D303 D304 D305 D306 D307 D310 D312 D313 D314 D315 D316
400–427	D400 D401 D402 D403 D404 D405 D406 D407 D408 D409 D410 D411 D412 D413 D414 D415 D416 D417 D418 D420 D421 D422 D423 D424 D425 D427 D429
500–536	D500 D501 D502 D503 D507 D510 D512 D514 D515 D516 D517 D518 D519 D520 D522 D525 D526 D528 D530 D531 D534 D535 D536
Hrvatske ceste Jadrolinija

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